› added 11 years ago

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TIL that the Holland Tunnel’s ventilation system changes out all of the air in its 2 tubes (about 3 miles’ worth) every 90 seconds.

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via reddit.com

bZX4 TIL there is an ancient iron pillar in Delhi renowned for it’s inability to rust
jpVR TIL whales are hairy before they are born.
woG7P TIL about Raton, a celebrity fighting bull who killed three people during bullfighting in 2006-2011; this made him highly paid since his fans followed him to different cities to see him fight.
JXwl TIL: That while the Russian Tsar Bomb is the largest nuclear device ever detonated, it was the ‘cleanest’ nuclear bomb ever detonated. It’s modifications removed 97% of it’s fallout.
ebY6 TIL 75% of IKEA’s catalog is computer generated imagery