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Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Richard Wrangham’s “female-bonded” theory of intergroup competition was highly influential in our un Richard Wrangham’s “female-bonded” theory of intergroup competition was highly influential in our un
The relative influence of heredity and the environment in human behavior has fascinated and plagued ... The relative influence of heredity and the environment in human behavior has fascinated and plagued ...
The Triangular Theory of Love The Triangular Theory of Love
Explaining Behavior Explaining Behavior
The Nebular Theory The Nebular Theory
Video: Frequency of stimulation and force (Recruitment of motor units and force)

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