Vaccines prevent between 2.5 and 4 million deaths every year.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Ears and grains of modern corn and its ancestor, teosinte
Hybrid vigor in corn
The anterior spiracles (respiratory openings) of a fruit fly larvae magnified 1500x.
Corn
Genetic polymorphism for foraging behavior in fruit fly larvae
Wind that lifts the hairy modified sepals of a dandelion (Taraxacum) fruit may carry the attached se