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Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

An Australian Shepherd-Beagle mix displaying mastery of the "sit" command An Australian Shepherd-Beagle mix displaying mastery of the "sit" command
This Labrador Retriever has been trained to woof and bark on command. This Labrador Retriever has been trained to woof and bark on command.
Typical keyboard layout. Typical keyboard layout.
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 ...
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Video: Normal and abnormal blood pH

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