› added 6 years ago

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TIL: De Beers has spent millions trying to detect the difference between "real" diamonds and modern lab-grown diamonds - so far to no avail - as the diamond supply floods with cheap chinese lab-grown gems.

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via reddit.com

69ojW TIL that the city center of Lyallpur (today's Faisalabad, Pakistan) was designed by the British to imitate the Union Jack, with eight roads radiating from a large clock tower (Ghenta Ghar) in the centre of eight separate bazaars
VOgp TIL net-hunter cone snails release sedatives into the water to lull their victims into a deep sleep before engulfing multiple fish at a time in their horrific, tentacle-covered, extensible mouths.
nWvdP TIL: A US Study had owners train their parrots to video call other parrots using a touchscreen tablet. The study found "pet parrots that are allowed to make video calls to other birds show signs of feeling less isolated," among other effects and benefits.
EEN0 TIL that there was a blind boy that developed his own echolocation system to “see” by making clicking sounds with his mouth.
LQ1vv TIL that we turn on the exact same stress-response as do those mammals running for their lives or running for a meal, and we turn it on for psychological reasons