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Did you know?

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 most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Structure of a DNA polymerase polypeptide that contains a 3'–5' proofread Structure of a DNA polymerase polypeptide that contains a 3'–5' proofread
The β conformation of polypeptide chains The β conformation of polypeptide chains
Cellulose structure Cellulose structure
An orange has four times the fiber of six ounces of orange juice An orange has four times the fiber of six ounces of orange juice
Food Sources of Fiber Adults need to consume about 21 to 38 grams of fiber daily Food Sources of Fiber Adults need to consume about 21 to 38 grams of fiber daily
Sheep Fiber Length (cm) vs Fleece Weight (kg) Sheep Fiber Length (cm) vs Fleece Weight (kg)
Video: Introduction to Heart Attacks

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