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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Predators come in a diversity of shapes and sizes. Predators come in a diversity of shapes and sizes.
(A) Each bronchiole terminates in an alveolar sac, a group of alveoli; (B) alveoli encased by networ (A) Each bronchiole terminates in an alveolar sac, a group of alveoli; (B) alveoli encased by networ
Children with attention deficit disorder with hyperactivity (ADHD) diagnoses typically need a quiet, ... Children with attention deficit disorder with hyperactivity (ADHD) diagnoses typically need a quiet, ...
There are many types of adaptive devices: (A) a toothbrush; (B) a reaching stick; (C) a shoe holder; ... There are many types of adaptive devices: (A) a toothbrush; (B) a reaching stick; (C) a shoe holder; ...
Nuts are also a good source of B group vitamins (including folate), and vitamin E Nuts are also a good source of B group vitamins (including folate), and vitamin E
How body makes blood flow more into brain instead of foot? How body makes blood flow more into brain instead of foot?
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