TIL some Hiroshima survivors grew "black fingernails," which were strange rod-shaped fingernails that contained active blood vessels and bled profusely when they broke off.

http://www.pcf.city.hiroshima.jp/outline//index.php?l=E&id=34



Submitted March 19, 2015 at 03:23AM by garglemymarbles http://www.reddit.com/r/todayilearned/comments/2zimdi/til_some_hiroshima_survivors_grew_black/