The lungs are vital for life, but their function is sometimes impaired. Scientists have given animals and humans oxygen via their intestine, which has helped them.
Caffeine is a potentially useful chemical for humans and has interesting actions in our body. It can also help bumblebees deal with a harmful fungal infection.
Creeping voles are interesting and unusual animals. The females have a single sex chromosome, which is an X one. The males have two X chromosomes and no Y one.
“How Green Was My Valley” is an evocative tale of life in a Welsh mining village. Slag from the coal mine and problems in the community create a compelling story.
Polychaete worms are related to earthworms and share some of their features. Two strange species have highly branched bodies and live inside sponges.
Researchers have recently sequenced part of the genome of the extinct dire wolf. The animal was once common and was about twenty percent larger than the gray wolf.
“The Time Traveler’s Wife” is a captivating tale about a man who involuntarily travels through time on multiple occasions and the woman who waits for him.
Unlike other primates, the fat-tailed dwarf lemur hibernates in winter. Studying this behaviour might be useful for enabling long-distance space travel in humans.
Catnip contains a chemical called nepetalactone. This repels mosquitoes by affecting their TRPA1 channels. We contain these channels as well, but catnip doesn’t affect them.
SARS-CoV-2 causes the COVID-19 disease. Spike proteins and glycans enable the virus to infect us and are research targets for the creation of vaccines and medicines.
I describe the traditional and virtual Sun Run. I also discuss benefits and drawbacks of these events and describe how people could hold their own virtual run.
Time and memory are mysterious phenomena that are linked to one another. I describe some thoughts about them and include a poem that describes a possible connection.
Llamas produce tiny versions of antibodies known as nanobodies. These might be helpful in dealing with the SARS-CoV-2 virus that causes the COVID-19 infection.
Organoids are small and simplified versions of organs that are made from stem cells. They may enable us to create new medical treatments and better understand how organs work.
The tongue-eating louse is a parasitic isopod. It destroys the tongue of a fish and lives in the space that's created, where it feeds on blood and mucus from its host.
Leptin is a hormone with many effects. It can reduce appetite when necessary and help people with lipodystrophy. Exploring its behavior is important but challenging.
Oats are useful plants that are a member of the grass family. Their seeds are known as groats or kernels and are used to create an interesting selection of foods.
The Japanese kobudai and the California sheephead are interesting fish in the wrasse family. The animals can change from a female to a male during their lifetime.
Cusk eels are elongated and interesting fish in the family Ophidiidae. Some species have unusual features. One appears to be faceless. Many live in deep water.
Tardigrades are strange animals that can survive extreme environmental conditions. Recent discoveries have revealed new and impressive abilities of the animals.
Caecilians are interesting animals that often appear to be earthworms or snakes. They are actually amphibians. They are poisonous and may be venomous as well.
Autophagy is the removal of damaged or harmful cell components. Lysosomes are vital in this activity. Autophagy is usually helpful but is sometimes problematic.
I describe the cause of autumn leaf colors and include some facts about twilight. I also include my poem about observing a maple tree at twilight in the fall.
Sea hares, sea angels, and sea butterflies are gastropods, like terrestrial slugs and snails. They have interesting features and can be beautiful animals.
Sea slugs have interesting features and are often colorful animals. In this article, I include facts about the animals and photos of twelve attractive species.
Bacteria contain structures that perform specific jobs and resemble the organelles found in eukaryotic cells. The organisms are more complex than once realized.
Avocado trees produce appealing and nutritious fruits. The plants have some interesting botanical features, and their historical background is intriguing.
The family Saturniidae contains some colorful, vividly patterned, and large moths. Both the adults and their caterpillars are interesting to observe and study.
The blood-sucking habit of the European medicinal leech (Hirudo medicinalis) can be very useful in medicine. Scientists have recently sequenced its genome.
Wolf spiders are great hunters. Some species live in the Arctic, where temperatures are increasing. Evidence suggests that this is affecting their population.
Bacteriophages are viruses that infect bacteria. They don't infect our cells, but they're found in bacteria living in our gut. Here they may affect our lives.
The rhinoceros hornbill and the horned guan are interesting birds whose populations are a concern. Both of them have a horn-like head ornament made of keratin.
Some frog species have beautiful colours. Blue and strawberry poison dart, golden poison, Malagasy rainbow, tomato, and emerald glass frogs are six examples.
Willows are attractive plants with interesting features and uses. They produce salicin, the forerunner of aspirin, and miyabeacin, which might fight some types of cancer.
Music can be very enjoyable and can improve our mood. Traditional songs about hope and bravery can be inspiring. I describe examples and include performances.
A haiku is a nature poem consisting of three lines. It contains an observation from a moment in time. It often includes a seasonal reference and juxtaposition.
Slow lorises are the only venomous primates. A protein in their venom resembles an allergenic protein in cat dander and saliva. Their populations are in trouble.
Walking sharks have elongated and spotted bodies. Muscular fins allow them to "walk" on the ocean floor as well as swim. Epaulette sharks walk on land.
Goat's rue contains a chemical called galegine. Studying galegine enabled scientists to create a medication called metformin, which has multiple methods of action.
Stentor is a single-celled predator. At least one species makes relatively complex decisions. Studying it may help scientists understand the behavior of our cells.
Winter Solstice or Yule is an important time of year for many people and is often accompanied by a celebration. Some enjoyable music has been created for the event.
The aye-aye is a lemur with some bizarre features. Its very thin and long third finger is used for tap foraging and its hidden pseudothumb probably acts as a sixth digit.
The American sweet gum (Liquidambar styraciflua) is a popular ornamental tree. Its leaves are a lovely colour in autumn, but its spiky fruits may cause problems.
The northwestern crow is an intelligent and interesting bird. Canuck is a wild but semi-tame crow who voluntarily associates with people in Vancouver. Sadly, he has disappeared.
The crypt-keeper wasp is a hyperparasite. It controls another parasitic insect called the crypt gall wasp and tunnels its way through its head to escape from a gall.
Klebsiella pneumoniae is a bacterium that can live in our body and is sometimes dangerous. It's usually harmless in the digestive tract, but this may not always be true.
A-maze-ing Laughter, Inukshuk, Search, and Solo are noteworthy sculptures in Vancouver. They are located by the ocean and near the entrance to Stanley Park.
The autumn equinox is a celestial event and a pagan festival. Michaelmas is a Christian festival. Both occur in September and are connected to the harvest in some way.
Water hyacinth is a beautiful and invasive plant that causes major problems. It has the ability to act as a great biofuel, especially when combined with cow dung.
Several animatronic dinosaur exhibits have been present at the annual PNE Fair in Vancouver. I show photos of the models and give facts about the real animals.
The forest elephant is in trouble. The loss of the species could increase the carbon dioxide level in the atmosphere, which in turn could worsen climate change.
Abecedarian poetry is related to alphabetical order in some way. In this article, I share five poems in the category as well as nature facts that inspired the poetry.
Michael Praetorius was a prolific composer of the seventeenth century. His compositions are loved today and his written work about music is a valuable resource.
The killer whales that visit the Salish Sea in summer are in trouble. The group is endangered. One reason is lack of salmon to eat, but there may be others.
Recent research has shown that four plant extracts inhibit the growth of some dangerous bacteria in the lab. Three of them may have been helpful during the American Civil War.
Thousands of years ago, Doggerland connected Britain to Europe where the North Sea exists today. The area had a rich Mesolithic culture, which researchers are exploring.
The beautiful spirit bear has a white or cream coat and lives in the Great Bear Rainforest of BC. It's an unusual form of the kermode bear, a subspecies of Ursus americanus.
The crucifix frog has a cross pattern on its body. It lives mostly underground but emerges during the rainy season. It makes a sticky substance that may have medical uses.
A rich repertoire is available for recorder consorts. I describe the instrument, some music written for it, and some ensembles. I also include performances.
John Dowland was a popular and prolific composer of the sixteenth and seventeenth century. His songs and instrumental music are still enjoyed and studied.
The beauty of the moon and its symbolic meanings have inspired many songs around the world. Some lovely folk and traditional songs about the moon exist.
Tree kangaroos are unusual and intriguing marsupials that move with ease through the trees and on the ground. The Lumholtz's tree kangaroo is the smallest species in the group.
Lovely Christmas songs can be found in the early music genre and in the music of more recent times. In this article, I include and discuss 12 songs in a trip through time.
An Advent calendar is often part of the Christmas season. It gives a small gift each day as Christmas approaches. Helping someone every day is another way to celebrate Advent.
Scotland and Ireland have a rich musical heritage. It's interesting, enjoyable, and sometimes educational to explore traditional folk songs from the two countries.
Trees can be beautiful and impressive. They have inspired the lyrics of many songs, including some lovely folk and traditional songs of England, Scotland, and Wales.
Wombats have some unique features. They produce cube-shaped poop. They also have a dermal shield at the end of their body that helps to protect them from a predator's attack.
Influenza viruses have unpleasant and sometimes serious effects. Antibodies to flu viruses made by llamas may enable scientists to create a better treatment.
Harvestmen or daddy longlegs are interesting animals that are arachnids but not spiders. They have some unusual features and are often fascinating to observe.
Jackfruit trees produce huge fruits. Cacao seeds are used to make cocoa, but the trees are in trouble. Jackfruit seed powder may be a good substitute for cocoa.
Souling in order to receive a small cake is an old tradition that was a forerunner of trick-or-treating. The lovely "Soul Cake" song has been recorded by multiple artists.
Samhain was the Celtic precursor of Halloween. The festival celebrated the last harvest of the year and the nearness of the Otherworld. Today's event often includes music.
Western red cedar (or redcedar) is a common and interesting tree in the Pacific Northwest area of North America. It was once important in First Nations culture.
Hercules beetles are named after the hero of ancient myths. The male has horns that may be very long. The insects can change colour and are found in the old and new world.
Acanthamoeba is a microscopic, single-celled organism that can infect the cornea of the eye. It causes a disorder called Acanthamoeba keratitis, which is most common in contact lens users.
Antibiotics interfere with vital activities in bacteria. Unfortunately, microbes are becoming resistant to the drugs. Arylomycins may be helpful in this situation.
The mbira is a traditional African instrument that is played in North America. An instrument based on the mbira can be used to detect the presence of counterfeit medicines.
The Spix's macaw is endemic to Brazil but has been declared extinct in the wild. Fortunately, it still exists in captivity. Captive birds may one day be released into the wild.
Staphylococcus epidermidis is a bacterium found on skin and mucous membranes. It's often harmless, but some strains are resistant to multiple antibiotics.
Camu camu fruits contain a very high level of vitamin C and a large quantity of polyphenols. In mice, the fruits have been shown to have an anti-obesity effect.
Shoebill storks, or shoebills, have a huge and impressive bill. The animal's unusual features make it a unique bird. I describe 50 facts about the animal.
Blood type is important to consider in transfusions in order to avoid harmful reactions. Scientists are learning how to make type O red blood cells from other types.
Cruciferous vegetables contain glucosinolates, which produce indole-3-carbinol in our digestive tract. The latter chemical may decrease the risk of colon cancer.
The gharial is a critically-endangered relative of the crocodile. It lives in and next to rivers in India and Nepal. The animal has some unusual and interesting features.
Untreated glaucoma can cause vision loss. Specially-formulated curcumin might be helpful for the disease, which in some cases may be an autoimmune disorder.
Alastair Sim was a popular actor who made some memorable and enjoyable films. His version of “A Christmas Carol” (or “Scrooge“) is often seen during the Christmas season.
Melon-headed whales and rough-toothed dolphins are intriguing animals. In some areas, their distribution overlaps. A hybrid between the two species has been discovered in Hawaii.
Social amoebas are also known as cellular slime molds and dictyostelids. They start life as ameboid cells but join to form a multicellular grex or slug when food is scarce.
Hoatzins are strange birds from South America. They digest their food in an unusual way and can have an unpleasant smell. Their chicks have claws on their wings.
Treponema pallidum pertenue is a bacterium that causes yaws. The disease has made a comeback after being almost eradicated. It can cause deformities and disabilities.
African civets have some unusual features and interesting behavior. Unfortunately, they are kept in captivity on civet farms so that their musk can be collected.
The axolotl is a fascinating and critically endangered amphibian. It stays in its larval form throughout its life and has impressive powers of regeneration.
The longhorned tick is native to East Asia. It has been introduced to the USA, where its numbers are increasing. In some countries, it transmits microbes that cause disease.
Horsehair worms are long and slender animals that writhe and form shapes resembling knots. One larval stage is a parasite that controls the behaviour of its host.
The ochre sea star or starfish is a colourful invertebrate that has been seriously affected by a wasting disease. The disorder causes the body to disintegrate into a goo.
The kakapo is a flightless parrot that's endemic to New Zealand and is critically endangered. It's the heaviest parrot in the world. Sirocco is a famous kakapo.
Planarians are flatworms with an amazing ability to regenerate. Scientists are investigating this ability and hope to apply their discoveries to human biology.
Ferns are attractive plants with interesting features. They exist in both wild and cultivated forms. The western sword fern is a common plant in coastal British Columbia.
Hammerhead flatworms are a type of land planarian. They have a semilunar head and are sometimes very long. They are predators and have been introduced to Europe and the US.
Alpha-synuclein fibrils in the brain are a feature of Parkinson's disease. The fibrils sometimes appear in nerves around the gut. They might travel from there to the brain.
Plasmodium vivax is often said to be a less serious cause of malaria than P. falciparum, but it can be deadly. It may become dormant in the liver and later become active.
The classical music genre includes some lovely music about mothers. Sharing a playlist of these pieces is a great way to celebrate motherhood or Mother’s Day.
English and Spanish bluebells and hybrids between the two species live in British Columbia and Britain. The plants are lovely but are experiencing or causing a problem.
Some species of Saprolegnia kill fish. One species of Phytophthora caused the potato famine in Ireland. Oomycetes are interesting but often harmful organisms.
Puss and saddleback caterpillars are attractive insects. Unfortunately, they are stinging caterpillars. In some people, the sting can cause serious problems..
The Whistler Blackcomb Ski Resort is a great place to visit at any time of year. It offers recreational activities, scenic views, Whistler Village, and other attractions.
Sensorineural hearing loss is the most common type of hearing impairment. Techniques that help people with the condition exist. One type of brain-training game might be useful.
Interstitial fluid bathes and supports cells. The interstitium is the space containing the fluid. Some scientists think that these spaces in the body are connected and form an organ.
Hellebores bloom in late winter and spring. The flowers are a lovely sight in gardens and landscaped areas. Lenten and Christmas roses are types of hellebores.
Paneth cells are found in the glands of the small intestine and play an important role in keeping the intestinal lining healthy. Crohn's disease has been linked to problems in the cells.
Giant viruses are huge entities compared to other viruses and are bigger than some bacteria. They can often be seen under a light microscope and have very large genomes.
The carnauba palm and the candelilla shrub are interesting plants that produce a useful wax. Many people are exposed to carnauba or candelilla wax via products that they buy.
Researchers have found that people with osteoarthritis seem to have a lower than normal level of FOXO proteins in their damaged joints. Increasing the protein level might help to treat the disease.
The Tasmanian devil is an endangered species whose population is decreasing. The main reason for the decrease is devil facial tumor disease. Immunotherapy may one day be helpful.
Giardia is an interesting parasite that causes an intestinal disease called giardiasis. Understanding the parasite's behavior may lead to better treatments.
The cornett, cornetto, or zink produces a lovely sound that often resembles the human voice. It has finger holes like a recorder and a mouthpiece like a trumpet.
Men are far less likely to get multiple sclerosis than women. This may be because testosterone provides protection. Studying how the protection works may help both genders.
The pre-decimal penny existed for hundreds of years before the decimal penny of 1971. It's associated with some interesting sayings, traditions, and historical facts.
The sixpence and the shilling are pre-decimal coins from the United Kingdom. They have a long history and are associated with some interesting traditions.
Wild relatives of some major agricultural crops are in trouble, which could be a serious problem. The genetic diversity in wild crops may provide food security for the future.
Glaucoma is a vision problem caused by optic nerve damage. It often involves increased pressure in the eyeball. Medical research may help to improve treatments.
A ketogenic diet is high in fat and low in carbohydrate. The diet may be very helpful for some people with epilepsy, but it must be monitored by a doctor.
When someone experiences a heart attack, cells in the heart die. Scientists have found ways to replace the cells in rodents. The techniques may one day help us.
Dogs with a hacking cough may have a very infectious disease called kennel cough. A vet's diagnosis is essential, however. My dog has experienced the disease.
Rigoletto is a popular opera composed by Giuseppe Verdi. In this article, I discuss the opera's history, plot, and leading characters. I also include some of its lovely music.
Three versions of diabetes are types 1, 2, and 3c. Insulin resistance may increase the risk of Alzheimer's disease. The disease is sometimes called type 3 diabetes.
Mud is a versatile and interesting material. It's useful for both animals and humans. It can also be dangerous, especially in the form of mud volcanoes and mudflows.
The Barber of Seville, Pagliacci, Falstaff, and A Masked Ball are popular Italian operas. I include a synopsis, music, and a photo of a related sculpture for each work.
Tiny microplastic particles are created from plastic waste. The particles enter our body in multiple ways. Their possible effects are unknown but are a concern.
Salbutamol (also known as albuterol and Ventolin) is used in rescue inhalers for asthma. Research suggests that it might reduce the risk of Parkinson's disease.
Mycobacterium leprae is a bacterium that causes leprosy. It damages nerves, perhaps by reprogramming Schwann cells around neurons or by hijacking cells in the immune system.
Goldfish are interesting fish that have some surprising features. The animals are popular pets. They are found in the wild, where they may become very large.
Immunotherapy may one day stop beta cell destruction in the early stage of type 1 diabetes. The cells produce insulin, a hormone that regulates blood sugar.
The swell shark and the chain catshark produce beautiful patterns of light in a process called biofluorescence. The light emission may have important functions.
Pyrosomes are elongated, thimble-shaped entities that swim in the ocean and are bioluminescent. A pyrosome is actually a colony of small animals called tunicates.
A common cause of hearing loss is damage to the hair cells in the cochlea of the inner ear. Researchers hope to eventually use stem cell therapy to produce new hair cells.
Bumble bees have surprisingly capable brains. They can play a simple version of soccer and pull a string to get a reward. They may even experience optimism.
The path beside the waterfront in downtown Vancouver is an attractive place to explore. Some interesting examples of public art can be seen near the path.
Naked mole-rats have a strange appearance and some fascinating features. Studying the rodents might help researchers to understand and treat some of our health problems.
Julie Fowlis is a popular Scottish folk singer and musician. She generally sings in Gaelic and is involved in collecting the traditional songs of the Hebrides.
Jimmy MacCarthy is a leading Irish songwriter. He creates contemporary folk songs that often contain interesting imagery that can be interpreted in several ways.
The wood frog survives freezing. Exploring how it does this may help us deal with some human health problems and improve the use of organs for transplants.
Chemicals in urine react with pool disinfectants. The resulting products can be irritating to the eyes, skin, and airways and might cause more serious effects.
McVitie's is a well known biscuit maker in Britain. The company has had a long history. Two of its most popular products are digestive biscuits and Jaffa cakes.
Unripe lychees and ackee fruits contain toxins. Both fruits should be eaten only when ripe. In addition, it's very important that ripe ackee is prepared properly.
Tomatoes are nutritious and have an interesting history, but they often lack flavor compared to ones in the past. A recent discovery may provide tastier tomatoes.
Wales has a wonderful musical heritage. Folk and traditional songs are an important part of Welsh culture. The country is known for its vocal music, singers, and choirs.
England has a rich collection of traditional folk songs. This article includes performances of four songs and describes the interesting background of the music.
Svalbard reindeer live on an archipelago near mainland Norway and are the smallest subspecies of reindeer. Research indicates that their bodies are shrinking in size.
Acorn worms have an amazing ability to regenerate body parts. We possess most of the worm's genes used in regeneration. Scientists hope to enable us to make new body parts.
TRIUMF is Canada's particle accelerator centre. It's located in Vancouver and houses the largest cyclotron in the world. It's a research facility and produces medical isotopes.
In the 1960s, a folk music revival in the form of folk rock occurred in the United States and Britain. The enjoyable songs that were created still have value today.
Pitcher plants produce cups that trap and digest prey. The digestive enzymes of one species can break down gluten in the lab and might help people with celiac disease.
The Venus flytrap is a fascinating carnivorous plant that is very popular in homes. The wild population grows in a limited area in the U.S. and is in trouble.
Sickle cell disease is painful for sufferers and can sometimes be dangerous. Genome editing may one day correct the mutation that causes the disorder.
The Nitobe Memorial Garden is located in Vancouver, British Columbia. It's a beautiful and often peaceful Japanese garden that is filled with symbolism.
The UBC Botanical Garden is a wonderful place for plant lovers. It's enjoyable and educational to explore. The garden contains a mix of nature and cultivation.
Streptococcus pneumoniae is a bacterium that lives in the nose of many people. It's often harmless but can cause multiple diseases. Some are potentially serious.
Dinosaurs Alive is an exhibition consisting of large, animatronic dinosaurs. This article contains facts about the real animals as well as photos of some of the models.
Eco-sculptures of animals are a traditional summer attraction in Burnaby, British Columbia. The interesting sculptures are intended for entertainment and education.
Wolbachia is a bacterium that infects mosquitoes. It prevents viral replication in its host and may protect us from dengue, Zika virus disease, and other illnesses.
Broca's area, Wernicke's area, and the circle of Willis are important parts of the brain. They are named after the famous scientists who discovered them.
The Mariana Trench is the deepest place in the ocean and contains some fascinating animals. NOAA has made some exciting discoveries about life in the trench.
The giant hogweed causes burns and blisters. Grapefruit juice interferes with many medicines. The chemicals that cause these effects are called furanocoumarins.
Purple coneflowers, black-eyed Susans, and Michaelmas daisies are members of the Aster family. Each plant has beautiful flowers and is associated with some interesting facts.
Labrador Retrievers are lovely dogs but have a tendency to become obese. A mutation in the POMC gene may maintain their hunger and make weight control harder.
An oral storytelling performance can be entertaining and educational. Prose, poems, and songs can tell a story. Myths and traditional tales are often shared orally.
The Selkirk Rex has a curly coat and an unusual appearance. The cat makes a friendly pet that likes to play but has a calm personality. Pompous Albert is a famous example.
In winter and spring, the Narcisse Snake Dens contain the world's largest collection of red-sided garter snakes. The reptiles are an impressive sight. The species is bred as a pet.
In some cases of amyotrophic lateral sclerosis (ALS), a protein called SOD1 is misfolded due to a gene mutation. In mice, a copper compound can prevent the misfolding.
Mosquitoes can transmit the Zika virus to humans. The virus may produce no or mild symptoms but has caused microcephaly in babies and Guillain-Barré syndrome in adults.
The sweet wormwood plant produces a chemical called artemisinin. The chemical can be a great treatment for malaria, although signs of resistance to the drug have appeared.
Rapamycin increases lifespan in mice, apparently by inhibiting a protein called mTOR. It may do the same in dogs and perhaps in humans. It's being tested in pet dogs.
The mucus that covers fish has multiple functions. It protects the animals from specific dangers and in some species is food for the young fish. It may help us.
Coral bleaching is an event in which corals lose their pigment and main source of food. It often causes corals to die. Oxybenzone in sunscreens may contribute to coral bleaching.
Flour beetles are often wrongly called flour weevils. This article contains facts about the insects, tips for controlling them, and a fictional story related to weevils.
Octopuses have fascinating features and abilities. Some have fins that help them move. Others demonstrate intelligence. The genome of one species is very unusual.
Still Creek in Burnaby Lake Regional Park is a lovely place to visit. Himalayan balsam grows beside the creek. The plant is beautiful but often invasive.
One species of bacteria in the genus Yersinia causes bubonic, septicemic, and pneumonic plague. Others cause foodborne illness. One species may eventually help to treat cancer.
Pacific white-sided dolphins are intelligent and social animals. This article describes the lives of the wild dolphins and of some rescued animals in captivity.
Irises are beautiful flowers that have a wide variety of colours. Some are used to make orris root, which has a lovely scent but can cause an allergic response.
"The Secret Garden" is a story about a seemingly magical garden that has healing powers. The garden has been hidden for ten years when a young girl discovers it.
Bowhead whales live in the Arctic, break through ice to breathe, and sing intriguing and beautiful songs. They have a large head with a huge, bow-shaped mouth.
The pancreas makes an enzyme called trypsin. Once it has been activated, trypsin digests protein in the small intestine. If it becomes active in the pancreas, pancreatitis may develop.
A red herring and a fine or pretty kettle of fish are idioms with an interesting history. Their literal meanings and their unexpected ones are fun to explore.
Flash fiction or microfiction is a genre involving very short stories. Despite their brevity, the stories can convey a lot of information and be very effective.
Magnolia flowers and glaucous-winged gulls are interesting to observe. They can both be seen during a spring walk in the beautiful Stanley Park in Vancouver, British Columbia.
A new 3D printing technology called CLIP was announced at a TED conference in Vancouver in 2015 and is now available. The printed item is created in a pool of liquid resin.
Forsythia produces beautiful and abundant yellow flowers in late winter and early spring. The shrub is named after William Forsyth, an eighteenth-century horticulturist.
Polysorbate 80 is an emulsifier that is added to many foods. Evidence suggests that it may affect bacteria in the intestine and might cause gut inflammation.
Many crocuses bloom in the early spring and are a lovely sight. One type makes saffron. The toxic autumn crocus makes colchicine, which can act as a medicine.
The Malayan tapir is an unusual animal with an extensible and mobile proboscis, or mini-trunk. Despite its size and bulk, this endangered animal can move fast.
In rheumatoid arthritis, the immune system attacks joints. In chikungunya, a virus infects the body. Both diseases produce joint pain and may sometimes be confused.
Lysozyme is an antibacterial enzyme in body secretions that helps to protect us from infections. It's also present in eggs, where it may cause allergies.
The rainbow eucalyptus is an unusual tree with a beautiful, multicoloured trunk. The trunk's colours change as the tree sheds strips of bark, creating living art.
Antibiotic resistance in bacteria that cause disease is a serious problem. Soil contains bacteria, some of which make chemicals that may act as new antibiotics.
The dragon blood tree of Socotra Island has an unusual appearance. It secretes a red resin called dragon's blood when its bark is injured. The resin has many uses.
Two amazing phenomena in nature are the annual migration of millions of red crabs on Christmas Island and the "everlasting" Catatumbo lightning in Venezuela.
Mole and worm lizards are very unusual reptiles. Their elongated bodies resemble those of earthworms. The first animal has one pair of legs and the second none at all.
Loneliness is a growing problem in some areas. The author Brenda Chamberlain experienced loneliness, like a protagonist in one of her stories and a character in my poem.