› added 9 years ago

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TIL The genetic record suggests humans are only one of at least 16 upright-walking apes that have lived over the last 5-6 million years and we almost went extinct 70,000 years ago when our numbers dropped to around 2,000 individuals.

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Oowg7 “An untrained person has around five litres of blood, typically around 50 - 75ml per kilo — five to seven per cent — of body mass. A world-class endurance athlete can have two or three litres more in total, and as much as 150ml per kilo — 15 per cent — of body mass."
99Xm TIL that the ‘stomach in your mouth feeling’ on a roller-coaster is your organs FLOATING inside you
p1LQ TIL that America’s nuclear arsenal stills runs off of 8 inch floppy disks
8eBMa TIL that Liechtenstein has virtually no debt with GDP to debt ratio being 0.5%.
YJDG TIL that in developing countries, the use of birth control has lowered maternal deaths by 43%, and if full demand were met it could be reduced by as much as 73%.