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Did you know?

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).

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Blood is approximately twice as thick as water because of the cells and other components found in it.

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Approximately 500,000 babies are born each year in the United States to teenage mothers.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
Muhammad Placing the Black Stone on His Cloak, from Rashid al-Din's Jami al-Tawarikh ... Muhammad Placing the Black Stone on His Cloak, from Rashid al-Din's Jami al-Tawarikh ...
Computing Limits Problems Computing Limits Problems
Calculus limits help Calculus limits help
Body plan of an aquatic snail and micrograph of a radula. Body plan of an aquatic snail and micrograph of a radula.
Bivalve Body Plan: Clam Bivalve Body Plan: Clam
Video: Digestive System Animation

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