› added 4 years ago

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TIL fire will burn in a spherical shape In microgravity environments, like space, because without gravity oxygen diffuses with random oxygen molecules drifting into the fire. Absent the upward flow of hot air, fires in microgravity will stay spherical and small

Read more science.nasa.gov

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LbR0 TIL that a solid 8 hour sleep is actually unnatural to us as a species. A 4 hour sleep, waking for 1-2 hours, followed by another 4 hour sleep is how we slept for the majority of evolution. The change to a solid 8 hour sleep was originally attributed to improvements in lighting and other things.
vPwd8 TIL that children exposed to family violence show the same pattern of brain activity as soldiers exposed to combat.
woO7Y TIL that listed among the most secure places in the world, alongside Fort Knox and Area 51, is a parking garage in Derby, England.
ZDp4 TIL that in 2002 a fire broke out at a girls school in Saudi Arabia and the religious police prevented girls from escaping because rescuers would be sexually enticed by the ‘improperly covered’ girls. 16 died.
b9EVp TIL Disappointment Island is an uninhabited island in New Zealand. In 1868, a steel tanker crashed on the island which killed 68 people, leaving the 15 survivors waiting 18 months to be rescued. In 1907, another ship ended up crashing there and 12 men drowned.