Tsunamis are mainly caused by earthquakes but one of the less common causes is also volcanoes, which can either be on land or underwater. When they erupt, large amounts of water are displaced and a tsunami is formed.
How do birds mate? Which organs do the male bird use to mate? Do female birds have organs? Birds mate by joining at their cloaca so that the sperm of the male bird can go from his cloaca to the female's. Confused? Here's a quick overview on how birds reproduce, have sex or mate with some amateur...
Learn more about the different types of ecosystems and how they are classified.
A list of the current (2011/2012) seven natural wonders of the world. Each with simple, bullet pointed, quick facts.
Dharavi, Mumbai. Asia's largest slum. Poverty, Disease and Inequality. But is there hope for its residents?
Discover what that cloud was! Explanations, descriptions, and links, with over 20 photos, including common and unusual cloud formations. Which is your favorite?
Which type of weather shows your mood and character? How using a weather report is like having a mood ring.
On a wet year, the desert unleashes an abundance of blooms from weeds and wildflowers. Flowers burst out in a profusion of color that many would never expect from a place misunderstood as barren.
Information on all 4 types of puffin, including where to see them and at what time of year puffins come ashore to breed.
In nature, all things are relative and the colors of the seasons are evidence of the beauty and balance of those relationships.