› added 9 years ago

95

TIL that astronauts must have good airflow around them when they sleep. If not, they may wake up gasping for air and oxygen deprived because a bubble of their own Carbon Dioxide has formed around their heads.

Read more esa.int

via reddit.com

4Yng TIL that Plants of the Fenestraria genus produce optical fibers made from crystalline oxalic acid to transmit light to subterranean photosynthetic sites.
e6m6 TIL there’s only one wild herd of West African Giraffes in the world.
R7mv4 TIL that every two years the people of Brussels create a Flower Carpet with more than 500,000 flowers.
6Bg7 TIL a man secretly outsourced his job to China, played at work including surfing Reddit, and made hundreds of thousands before being caught and fired.
W7VA4 TIL that 440 nuclear reactors provide 10% of the worlds total electricity.