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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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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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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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

Broken recording. Broken recording.
Four methods of recording electrical activity of the nervous system. Four methods of recording electrical activity of the nervous system.
Macro-, Meso-, Micro-Levels of Society Macro-, Meso-, Micro-Levels of Society
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Method for creating Roundup-Ready soybeans Method for creating Roundup-Ready soybeans
Video: Double Vacuum Process (Illustration No Audio)

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