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Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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The horizontal fraction bar was introduced by the Arabs.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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Vaccines prevent between 2.5 and 4 million deaths every year.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Mars Pathfinder rover on Mars, 1997 Mars Pathfinder rover on Mars, 1997
In 2006 an Iraqi tribunal convicted Saddam Hussein of murdering his own people and sentenced him to In 2006 an Iraqi tribunal convicted Saddam Hussein of murdering his own people and sentenced him to
Associate’s degrees or vocational degrees can help individuals find rewarding and productive ... Associate’s degrees or vocational degrees can help individuals find rewarding and productive ...
In old age, as in all other stages of the life course, people find life more pleasant if they have ... In old age, as in all other stages of the life course, people find life more pleasant if they have ...
Two areas of reduced cortical volume and one area of increased cortical volume observed in people ... Two areas of reduced cortical volume and one area of increased cortical volume observed in people ...
A graphical representation of correlations in IQ measurements in different sets of individuals. The A graphical representation of correlations in IQ measurements in different sets of individuals. The
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

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