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TIL: The 'secret' nuclear missile launch code during the Cold War was '00000000'

Read more huffingtonpost.com.au

via reddit.com

nNeo TIL Rottweilers were known as “Rottweil butchers’ dogs” because they were used to herd livestock and pull carts laden with butchered meat and other products to market.
WkVk8 TIL that human’s trophic level (or place on the food chain) is a mere 2.2 on a 1-5 scale, with apex predators such as lions and great white sharks at a 5. We rank even with pigs and anchovies.
bEDN TIL that a 2006 study concluded that prehistoric predators had excellent vision, surpassing modern birds of prey. Compared to a bald eagle (whose vision is 4x better than ours), Tyrannosaurus rex had eyes that were 13x as precise as a human’s eyesight, meaning it could see prey from 6 km away.
V59Q TIL Liam Neeson shot The Grey in -20 degree temperatures. When his face is beet red, it’s not because he’s wearing makeup.
e7o4 TIL that in New York City, for the last half century, the price of a slice of pizza and that of a subway ride have been nearly exactly the same. And a rise in one predicts the other.