Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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.
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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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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Temperature and Color
How to sketch a quadratic equation that is in standard form (Question 2)