Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
(Left panel) The transition level (TL) for moving out of the parental home for 240 young men and ...
This frame from a home video shows Eric Harris (on the left) and Dylan Klebold (on the right) as ...
Water consumption by type of use
World Total Energy Consumption by Fuel Type
this is a math question
economic question (having trouble)