If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Cold water weighs more than hot water.
93
Pure water (H2O) does not conduct electricity on its own.
46
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Diamonds can be shattered with a hammer.
-104
Iron weighs more after it rusts.
16
Billions of neutrinos pass unnoticed through your body every second.
6