› added 4 years ago

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TIL: There is a distinct advantage for drones operating in space: the ability to hide in plain sight among the scattered debris in orbit.

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rRvgx TIL predatory dragonflies the size of modern seagulls were present on the earth about 300 million years ago. The leading theory suggests that their large size was due to high oxygen concentrations (over 30% unlike the 21% today) in the atmosphere.
jv0E TIL More children die because of faith-based medical neglect in Idaho than in any other US state.
QJOyk TIL it took 4 people only 4 days to Replicated a typical 2.5 tonne Block of the Great Pyramid, using the same tools found in an abandoned ancient quarry (copper chisels, wooden mallets, etc.)
R5Rba TIL Cowboy boots aren’t taxed in Texas, but hiking boots are.
9YPxB TIL The croissant is not really French. It was inspired by the Austrian kipfel that dates back to at least 1227.