› added 9 years ago

163

TIL if you cut off a ring of bark around a tree trunk, the tree will die

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Zp7lR TIL that the female moorland hawker dragonfly sometimes plays dead to avoid mating. Unlike some females of some other species of dragonfly, they aren’t guarded by male mates. A single sexual encounter is enough to fertilize all their eggs, and copulating again could damage their reproductive tracts.
9YBjG TIL Mongols have an ice fishing technique at Changan Lake that dates back over 2,000 years and is done in temperatures as low as -22C to -30C.
mxm8v TIL that the scientific name of the protein Titin is 189,819 letters long and would take about 3.5 hours to read outloud
yxEM TIL a black hole 12 billion light years away holds at least 140 trillion times the water in all of Earth’s oceans combined, making it the largest known reservoir of water
Z8MGR TIL: Gin drinkers of London used to call "Puss", wait for a meow reply, then hold their glasses underneath a wooden cat to illegally obtain their drink.