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Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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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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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

This Labrador Retriever has been trained to woof and bark on command. This Labrador Retriever has been trained to woof and bark on command.
The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue
Ergonomically correct desk, chair, and keyboard. Ergonomically correct desk, chair, and keyboard.
This military command post is in South Korea, with both U.S. and South Korean personnel. South Korea ... This military command post is in South Korea, with both U.S. and South Korean personnel. South Korea ...
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 ...
Spelling patterns Grade 1 Spelling patterns Grade 1
Video: Plant Defense Mechanisms from Pathogens

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