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Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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The average office desk has 400 times more bacteria on it than a toilet.

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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.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Cnidarians have specialized stinging cells called cnidocytes Cnidarians have specialized stinging cells called cnidocytes
Lampreys (sometimes also called lamprey eels) are a family of jawless fish Lampreys (sometimes also called lamprey eels) are a family of jawless fish
The anterior pituitary is sometimes called the master gland because it secretes many hormones that r The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
Security Tips for Accepting Various Forms of Payment Security Tips for Accepting Various Forms of Payment
Markets and Institutions Market Story Problem Markets and Institutions Market Story Problem
A land snail (Helix aspersa) with the opening that leads to its lung visible at the left. A land snail (Helix aspersa) with the opening that leads to its lung visible at the left.
Video: Dissociative Disorders (Part 1)

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