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If you could remove all of your skin, it would weigh up to 5 pounds.

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Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

The skimmers or perchers and their relatives form the Libellulidae, the largest dragonfly family in The skimmers or perchers and their relatives form the Libellulidae, the largest dragonfly family in
Gorillas are the largest living primates. Gorillas are the largest living primates.
Bonobo females form close alliances, maintained through sex, but these alliances are lacking in chim Bonobo females form close alliances, maintained through sex, but these alliances are lacking in chim
Many Native Americans have maintained continuous identity with their tribal roots. You can see the ... Many Native Americans have maintained continuous identity with their tribal roots. You can see the ...
In the drawing of acetaldehyde, CH3CHO, the largest partial negative charge (-) occurs on In the drawing of acetaldehyde, CH3CHO, the largest partial negative charge (-) occurs on
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
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