Ancient diamond preserves evidence of water-bearing mineral deep in Earth's

TIL the US dropped about 7.6 million tons of bombs across Indochina during the Vietnam War, which is more than 3x the amount U.S. Air Force dropped in the European and Pacific theaters of WW2 combined

TIL British Intelligence had a special, bugged luxury complex during WWII where they kept high profile Nazi POW’s, just left a bunch of alcohol out, and waited for them to start spilling secrets as th

TIL Male Rats & Male Horses don't have nipples - Developmental basis of male nipple loss and retention in mammals - PMC