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Did you know?

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

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Giraffe bending down to drink. The animal's rete mirabile prevents excess blood flow to the bra Giraffe bending down to drink. The animal's rete mirabile prevents excess blood flow to the bra
Reb blood cells get caught up in the sticky web of a blood clot Reb blood cells get caught up in the sticky web of a blood clot
Examples of thrombophlebitis. Deep venous thrombosis (DVT) commonly affects the veins of the leg. Examples of thrombophlebitis. Deep venous thrombosis (DVT) commonly affects the veins of the leg.
Blood–brain barrier. Blood–brain barrier.
The American Diet Doesn’t Stack Up The American Diet Doesn’t Stack Up
A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ... A concrete wall of a cold storage room measures 3.0 m high, 5.0 m wide, and 20 cm thick. The ...
Video: Miller's reaction chamber experiment Animation

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