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166

TIL that when spun and dropped a large distance, a ball will glide.

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vEvK TIL that Japanese honey bees can ‘bake’ and thus kill hive invading wasps, by having multiple bees form a ball around the invader and vibrating their wings to create heat.
dD8bK TIL Loons are like airplanes in that they need a runway for takeoff. In the case of loons, they need from 30 yards up to a quarter-mile (depending on the wind) for flapping their wings and running across the top of the water in order to gain enough speed for lift-off.
EXlo TIL Lee Harvey Oswald still owes an overdue book – The Shark and the Sardines by Juan José Arévalo – to Dallas public library.
yQR6v TIL There is a star that seems to have exploded 6 times in the past 70 years.
LQ6Gm TIL that the avian magnetic compass of the European Robin has been extensively researched and uses vision-based magnetoreception, in which the Robin's ability to sense the magnetic field of the earth for navigation is affected by the light entering the bird's eye.