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Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Theory of Endosymbiosis Theory of Endosymbiosis
Both humans and apes readily engage in learned imitative behavior. Both humans and apes readily engage in learned imitative behavior.
Alcohol, Mating, and Aggressive Behavior in Monkeys Alcohol, Mating, and Aggressive Behavior in Monkeys
B. F. Skinner documented how operant conditioning changes behavior. B. F. Skinner documented how operant conditioning changes behavior.
Modern Cell Theory Modern Cell Theory
Modern Cell Theory Modern Cell Theory
Video: Bond in biological molecules (Ionic, Covalent and Hydrogen bonds)/ How atoms bond?

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