There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The smell of freshly cut grass is actually a plant distress call.
31
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Indoor pollution is 10 times more toxic than outdoor pollution.
62
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