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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Spinnbarkeit is the ability of cervical mucus to stretch a distance before breaking. Spinnbarkeit is the ability of cervical mucus to stretch a distance before breaking.
A historical timeline of regulatory acts, standards, and organizations A historical timeline of regulatory acts, standards, and organizations
Diagram of gastric ulceration by H. pylori. H. pylori travels through the stomach's mucus ... Diagram of gastric ulceration by H. pylori. H. pylori travels through the stomach's mucus ...
Stand at the side of the table facing the head. Apply lubricant with effleurage from ankle to hip ... Stand at the side of the table facing the head. Apply lubricant with effleurage from ankle to hip ...
Apply lubricant to the entire right limb using basic sliding effleurage. Apply moderate pressure ... Apply lubricant to the entire right limb using basic sliding effleurage. Apply moderate pressure ...
NADH acts as a reducing agent in several reactions NADH acts as a reducing agent in several reactions
Video: Cellular slime mold life cycle Animation

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