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99percentinvisible.org
XE1rk
TIL the coastal hillsides of Japan have “tsunami stones” placed by previous generations. The stones indicate the high-water mark of previous tsunamis, with a warning to not build structures below. Heeding such warnings kept some places safe from damage during the 2011 tsunami.
0wdnR
TIL that the first sports bra was two jock straps stitched together.
Me7N8
TIL that in the 60s, a small town in New Mexico built an underground elementary school capable of withstanding a 20-megaton nuclear blast.