› added 4 years ago

455

TIL The sharpest usable knife blades are made from volcanic glass called obsidian. They are 10 times thinner than a razor blade but can’t be used for surgical instruments as they could shatter.

Read more edition.cnn.com

via reddit.com

dWdQ TIL that in 2008 a Canadian boy named Brandon Crisp ran away from home after his parents took away his Xbox 360. He was found dead soon thereafter.
JN04 TIL that when Gmail was introduced with an unbelievable 1GB free storage in 2004, Hotmail only offered 2MB. Google announced Gmail on April 1st, and wrote a punny and unprofessional press release, tricking many into thinking it was an April’s fool joke
nerdY TIL that the common saying "you can't have your cake and eat it too" was originally phrased "you can't eat your cake and have it too." This conveys the meaning of the expression much more clearly, since once you eat a cake, you can no longer have it.
6EWgJ TIL Matels iconic Barbie Doll design was actually born in Germany in 1952. The inspiration for Americas most famous doll was a saucy highend prostitute named Lilli. Originally a comic-strip character, the Bild Lilli doll became so popular she was immortalized in plastic & sold as an adult novelty.
9Yy6D Today I learned that someone experiencing stress or anxiety can feel a tight pain in their chest similar to that of a heart attack