› added 9 months ago

44

TIL Central Asian and Mongolian steppe herders, not Europeans, was the earliest humans to consume dairy and develop lactose tolerance.

Read more pubmed.ncbi.nlm.nih.gov

via reddit.com

rRERy TIL that 'upper case' and 'lower case' letters refers back to the days of movable type, where capital and non-capital letters were kept in separate drawers (or cases), with the capital letter usually stored on top.
8r6b TIL of a chemical so malodorous that opening a container of it can cause people hundreds of yards away to notice within seconds. A soapmaker reported that diluting it seemed to make the smell worse, calling it “fearful”.
Y7Xvx TIL that dozens of African elephants are killed each day for their tusks and meat. The illegal ivory trade threatens the survival of these creatures and leaves hundreds of calves orphaned and almost certain to die.
j6grp TIL that the exact same Air India 787 that recently crashed (registration VT-ANB) was flying just 25km away from MH17 when it was shot down in 2014. AI171 is the deadliest aviation incident since MH17.
yVoXv TIL a US train company plans to connect major Northeast metropolitan hubs, including a one-hour service from DC to NYC, with the world's fastest high-speed trains (operational speed of 310 mph - 500 km/h)