In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Cairns Birdwing (Ornithoptera euphorion): Australia's largest endemic butterfly
Range of Motion of the Shoulder Joint, External Rotation
Motion of Stars at the Poles
Proper Motion of Barnard’s Star
Chemotactic motion of bacteria
Newton's Second Law of Motion: Use G.R.E.S.A. format