› added 11 years ago

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TIL that it is hard to fool the brain by providing it with ‘energyless’ sweet flavours. Our pleasure in consuming sweet solutions is driven to a great extent by the amount of energy it provides: greater reward in the brain is attributed to sugars compared to artificial sweeteners.

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VMRwk TIL: Before computerized mechanisms in cars, the clicking you hear in turn signals used to come from a heated spring mechanism — that was designed, both to produce the click, and to activate the exterior bulbs themselves.
wGXY TIL young, single, childless women earn, on average, 8% more than their male counterparts in 147 of 150 major cities in the U.S.
EKKw TIL that Japan planned to deploy biological weapons against the city of San Diego, California, codenamed “Operation Cherry Blossoms at Night”, which was set for action on September 22, 1945, but not realized due to Japan’s surrender on August 15, 1945.
eplvE TIL in the Red Sea, giant moray eels have been observed hunting cooperatively with coral groupers. The grouper approaches an eel's hiding place and shakes its head rapidly to indicate that it wants to hunt. The eel recognizes the signal and accompanies it on the hunt where they work in tandem.
m15QE TIL that the first recorded labour strike took place in Ancient Egypt, in 1170 BCE, by tomb workers. After the grain supply was repeatedly late, workers stopped working and demanded prompt pay. Because it was the first of its kind, management did not know how to react, and largely caved to demands.