Wolves don’t use a den in the winter.

A 100-mph fastball weighs 0.000000000002 grams more when traveling than it does at rest (relativity!).

According to one reader, the reason why they keep it so incredibly cold in Travis County Jail, is not to punish the inmates, but actually to keep body odor to a minimum. If you are one of the unlucky souls who ends up there, your extremities may suffer, but at least your sense of smell won’t.

According to writer Amelia Urry, the ocean-borne radiation from the Fukushima Daiichi plant is finally detectable on U.S. shores. But by the time it made it here, that radiation was 10 million times weaker than it was when it left Japan, and 1,000 times below the safe threshold for drinking water.

Andy Griffith used to be an English teacher at Goldsboro High School in North Carolina.

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