In 1864, the first barbiturate (barbituric acid) was synthesized.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
How to calculate regular payments or deposits using the annuity formula (Question 1)