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Author Question: Fossil fuels are especially abundant in ________ rocks. (Read 25 times) |
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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).
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.