› added 5 years ago

105

TIL Astronauts have specialised survival knives in case they crash land off course

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via reddit.com

N791M TIL the longest surgery ever recorded was performed in 2001 by a team of 20 doctors; it took 103 hours (more than four days) to complete.
gONA TIL that Brian May, the guitarist of Queen, built an electric guitar from scratch with his father when he was 16 years old, and called it the Red Special. He used that same guitar for his entire career, and it is his most prized possession.
9YVQ TIL that Norman Borlaug is considered to be one of the greatest humanitarians as he credited for saving billions of lives, but most people have never heard of him
wLD17 TIL if your cornea gets heavily damaged, you can get a new one made of titanium
0weVR TIL spiral staircases in medieval castles were deliberately made clockwise because it diminished the ability of attackers to properly swing their swords, since right-handed fighters would have had to to contend with the walls while making their striking motions.