› added 6 years ago

259

TIL that during the Cold War, the USSR mapped the entire world to precise detail. The U.S State Department still uses the maps today due to their accuracy.

Read more wired.com

via reddit.com

16omX TIL that old people smell is actually caused by a chemical they secrete through their skin. It's called "2-nonenal"
7j1r TIL that San Bernardino, CA has a murder rate of 31 in 100,000 residents (Chicago, IL is 18 in 100,000 residents)
p1PQ TIL When larger Kangaroos are chased they will often lead their pursuer to water, then once standing submerged to the chest, the kangaroo will attempt to drown the attacker.
d8av7 TIL: about the Transcontinental Airmail Route. A series of huge, bright yellow, illuminated, concrete arrows, built in the 1920s. They were every 10 miles and followed to enable night flying. A lot of these concrete arrows, now cracked and aged, still exist across America.
gMn87 TIL Three men were arrested by NYPD for possession of Jolly Ranchers. The men successfully sued the NYPD for $33,000.