One cubic foot of gold weighs more than 1,200 pounds!
78
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
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One barrel of petroleum holds 42 gallons.
20
Iron weighs more after it rusts.
68