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Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han
Participant observation, participating and observing in a research setting, is usually supplemented ... Participant observation, participating and observing in a research setting, is usually supplemented ...
A participant in a sleep experiment. A participant in a sleep experiment.
People using walkers typically have a high level of mobility impairment. People using walkers typically have a high level of mobility impairment.
Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ... Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ...
Video: Electrical changes in the heart

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