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Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
Intelligence and music Intelligence and music
Different time courses of hypersensitivity reactions. Different time courses of hypersensitivity reactions.
Alternative splicing of pre-mRNA for a muscle protein called α-tropomyosin Alternative splicing of pre-mRNA for a muscle protein called α-tropomyosin
The Beach Boys - God Only Knows (Official Music Video) The Beach Boys - God Only Knows (Official Music Video)
Movement of acorns by blue jays allows gene flow between oak populations Movement of acorns by blue jays allows gene flow between oak populations
Video: Atrial natriuretic peptide (vasodilation) & Aldosterone

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