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Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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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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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Differently shaped objects were placed in the nests of robins and catbirds. Differently shaped objects were placed in the nests of robins and catbirds.
Beads on a string Beads on a string
The Volumes of Objects with Different Densities The Volumes of Objects with Different Densities
Dental topography differs between A. Afarensis and H. erectus, suggesting the australopithecine teet Dental topography differs between A. Afarensis and H. erectus, suggesting the australopithecine teet
Soothing environments and familiar objects can help reduce behavioral problems with some dementia ... Soothing environments and familiar objects can help reduce behavioral problems with some dementia ...
Steel-toed shoes are a worthwhile investment to help prevent foot injury due to falling objects. ... Steel-toed shoes are a worthwhile investment to help prevent foot injury due to falling objects. ...
Video: Brain Anatomy Animation (Part 1 of 2)

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