› added 7 years ago

356

TIL mangrove trees live in saltwater, filter out 99% of salt through their roots, and are literally desalination plants.

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R716j TIL you're not supposed to dispose of coffee grounds, egg shells, potato skins, pasta, & rice in a garbage disposal. Had no idea.
aw0Zy TIL the FBI sent MLK a letter urging him to commit suicide
oBrZ7 TIL Angkor Wat actually used a much greater amount of stone than every one of the Egyptian pyramids combined. On top of that, if also occupied a surface area greater than Paris in its entirety
NXQDJ TIL many of Alfred Hitchcock's "Hitchcock blondes"- including Eva Marie Saint (North by Northwest), Kim Novak (Vertigo), Vera Miles (Psycho), and Tippi Hedren (The Birds)- are all alive today and in their 90s.
9wPQX TIL about the Sprint Missile. Which when shot from its launch tube accelerated at 100g and reached Mach 10 in only 5 seconds. The friction from the air was so intense it generated plasma around itself, with the capability of reaching up to 19 miles in a mere 15 seconds.