› added 1 year ago

145

TIL Percieved sourness is caused not only by free protons, but also by protonated carboxyl groups. That means that organic acids will taste sour, even without really low hp. This explains why even some weak bases like sodium acetate taste sour, because the acetate ion will protonate.

Read more pubmed.ncbi.nlm.nih.gov

via reddit.com

yaZe TIL on October 14th, 1944, doomed death camp prisoners at Sobibór managed to lure numerous high ranking Nazi officers into separate workshops, on the pretext of fitting them with new boots and clothes. They then hacked their defenseless captors to death with various tools and objects, one by one.
XE0LD TIL about the China National Highway 110 traffic jam; a massive traffic jam that slowed down thousands of vehicles for more than 100 km and lasted for more than 10 days. Drivers were able to move their vehicles only 1 km per day and some drivers were stuck in the traffic jam for 5 days.
DQXKp TIL there is a satirical political party in Germany called “Die Partie” that has pledged to build a wall around Switzerland and to rebuild the Berlin Wall. They received 900,000 votes in the 2019 EU elections
OGope TIL after the Bonnie and Clyde ambush, the original owner of the car drove it, still in its gruesome state.
ZbWR TIL that after the release of the film The Bridge on the River Kwai, tourists came to Thailand to see the fictional bridge. Since there never was a bridge on the Kwai, the Thai renamed a portion of the Mae Klong river containing a bridge to satisfy the tourists.