Glucose (sugar) has an opposite “handed” isomer L-glucose that tastes identical and isn't metabolized as sugar, so it's safe for diabetics. Unfortunately, L-glucose costs 50% more than gold.
3
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
The province of Alberta, Canada is free of the common rat.
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Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
James Bond has killed 150 men and has slept with 44 women since the first movie came out in 1962.
7