Illicit drug use costs the United States approximately $181 billion every year.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
Toilet-trained house cat
Platypus House at Lone Pine Koala Sanctuary in Brisbane, Queensland
Summation of Heart Sounds, Loud S1
A sod house in North Dakota, 1896. Individual “bricks” of sod were hewn from the ground and stacked
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto