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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.