› added 8 years ago

155

TIL that the infinity sign is also called the “lemniscate”

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via ift.tt

9YwNX TIL about the Great Filter, a theory that suggests the reason we haen't found life in space is because they don't pass through a part of their evolution known as the Great Filter, which wipes out the species. Worse, humans won't know if we pass through the filter until it'd be too late to save us.
4vvN TIL the ancient Egyptians used the urine from a pregnant woman to germinate seeds to determine the sex of the child. If barley sprouted first, then it was to be a boy. If wheat sprouted first, then it was to be a girl.
mxV9y TIL that in some highschools in Japan the students need to hatch and raise chickens before killing and eating them.
J1NWl TIL that contrary to popular belief, most people who are bitten suffer no serious damage, let alone death.
10QV TIL that Great White sharks can live up to 70 years in the wild.