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Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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Field research on free-living primates allows primatologists to study patterns of behavior in the se Field research on free-living primates allows primatologists to study patterns of behavior in the se
Both humans and apes readily engage in learned imitative behavior. Both humans and apes readily engage in learned imitative behavior.
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
Although most gestures are learned, and therefore vary from culture to culture, some gestures that ... Although most gestures are learned, and therefore vary from culture to culture, some gestures that ...
The “where” versus “what” and the “control of behavior” versus “conscious ... The “where” versus “what” and the “control of behavior” versus “conscious ...
Video: Introduction to Macular Degeneration

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