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Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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Your heart beats over 36 million times a year.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Rhytidoplasty. This is a common form of plastic surgery in which the skin is pulled and sutured to d Rhytidoplasty. This is a common form of plastic surgery in which the skin is pulled and sutured to d
Our species’ ability to form social bonds and be loyal and cooperative within our “tribe” may ... Our species’ ability to form social bonds and be loyal and cooperative within our “tribe” may ...
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Video: What is Reverse Osmosis?

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