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Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Water movement between capillaries and interstitial fluid. Water movement between capillaries and interstitial fluid.
In 1885 masked Nebraskans seeking access to water posed for photographer S. D. Butcher, who captione In 1885 masked Nebraskans seeking access to water posed for photographer S. D. Butcher, who captione
Capillaries act as bridges between the arteries and veins. Valves in the veins prevent backflow as ... Capillaries act as bridges between the arteries and veins. Valves in the veins prevent backflow as ...
Phillip Phillips - Miles (Audio) Phillip Phillips - Miles (Audio)
Food Miles in a Meal Food Miles in a Meal
Video: Natural Selection, Species Isolation and Real World Example

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