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Bob Ewing profile image89

How to Make Penicillin and Other Home Experiments

Let food be your medicine and medicine your food is a saying that we would do well to give some deep thought. Hippocrates was certainly onto something. A saying that I use is “Let Nature Be Your...

16 comments    home education make
Cartoon courtesy of Grea, sangrea.net89

Spitting - Why Do Guys Do It?

How disgusted are you when you see someone hocking a glob of gunk out of his throat and shooting that loogie out? Let's take a look at spit and spitting for some insight.

77 comments    behavior domination spit
91

L-Theanine

For many people stress and anxiety are the symptoms of their high-powered day to day existence. If not managed properly, chronic stress and anxiety may cause many disorders, including insomnia, heart disease,...

10 comments    health stress anxiety
85

Why Diamonds are white and Graphite is black but both are Carbon

Why can Diamonds be white and Graphite is black even though both are made from Carbon? Diamond is the hardest known mineral and extremely hard to scratch - on the other hand Graphite, which is used in...

3 comments    hubchallenge diamonds light
A stainless steel hydrogen generator for homemade hydrogen. A very popular product in the industry for hydrogen production and combustion.85

Homemade Hydrogen -- Hydrogen Generator

Being somewhat of a nerd at heart, homemade hydrogen using a personal hydrogen generator just sounds cool. Homemade things are always fun, and homemade things that are both useful and explosive, like homemade...

8 comments    health technology automotive
akinlolu profile image83

Transition Metal Chemistry 1

TRANSITION METAL CHEMISTRY (chm302) The term Transition metal chemistry is first used by Mendeleev to describe the group 8 triads such as iron, cobalt and nickel. This is because in this periodic table...

4 comments    technology education chemistry
Photo Courtesy of www.GlobalWarmingArt.com83

Our Future is Methane Energy

Methane is a naturally occurring gas on planet earth, and thus can be found in many places both naturally and artificially by humans. It is these two elements within space and time that make methane (the...

2 comments    alternative energy co2 methane
80

the effect of temperature and particle size of the reaction rate of an Alka–Seltzer tablet

Problem The problem is – What is the effect of temperature and particle size of the reaction rate of an Alka–Seltzer tablet? This means that we want to know whether the temperature or the size of the...

2 comments    science chemistry alka seltzer
81

Best Places to Find Chemistry Answers

Chemistry is a subject that is challenging for many students. Students often ask the question “ how can I improve at Chemistry.” The three reasons students struggle with chemistry are 1) Not getting help...

4 comments    students student successful
(c) 2007, Bev Franklin.81

Laughter as Medicine

(c) 2007, Bev Franklin."A clown is like an aspirin, except that it works twice as fast."-- Groucho Marx.Tae Chi Elephant 2004 Olympics Complete parody of all venues... Laughter creates immediate relaxation,...

6 comments    entertainment family fun
working