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Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Cyanide works by making the human body unable to use oxygen.

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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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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Antoine-Laurent de Lavoisier is considered the "Father of Modern Chemistry". Antoine-Laurent de Lavoisier is considered the "Father of Modern Chemistry".
Geoffroy's tamarin has been considered a subspecies of the similar cottontop tamarin, shown abo Geoffroy's tamarin has been considered a subspecies of the similar cottontop tamarin, shown abo
Immanuel Kant (1724–1804). German philosopher considered by many to be the greatest thinker of the ... Immanuel Kant (1724–1804). German philosopher considered by many to be the greatest thinker of the ...
Aging is more than biology. In some cultures, Jennifer Lopez, 43, would be considered elderly. Lopez ... Aging is more than biology. In some cultures, Jennifer Lopez, 43, would be considered elderly. Lopez ...
Sensation Activity: Sight (1 of 2) Sensation Activity: Sight (1 of 2)
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Congenital Heart Defects Animation

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