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TIL left-handed men's dominant armpit smells more masculine & intense — but only to fertile women not on the pill

Read more pubmed.ncbi.nlm.nih.gov

via reddit.com

QYXa TIL that weathermen in the US were forbidden to forecast tornadoes, because it was believed that the panic caused by tornadoes was more dangerous than the tornadoes themselves.
KYKPB TIL that during the inter-war era, it was the British and not the Germans, who were the world leaders in tank design and the organisation of armoured forces.
Oo8LX TIL of the Lead-Crime hypothesis which states there is a proposed link between childhood exposure to lead and increases in violent crime later in life. The hypothesis argues that the removal of lead additives from motor fuel and the decline in lead exposure explains the reduction in crime after 1990
6lgX TIL that there are more museums in the U.S. than there are Starbucks and McDonalds combined
P1gmG TIL Six years after surviving a shark attack and following repeated appeals to South Australian authorities, Chris Blowes finally won a special exemption that gave him the legal right to possession of the tooth of the great white shark that took his leg. (Full story in comments)