Iron weighs more after it rusts.
68
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
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
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Billions of neutrinos pass unnoticed through your body every second.
6
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11