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Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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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.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.