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
Sound travels about 4 times faster in water than in air.
408
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The storage capacity of human brain exceeds 4 Terrabytes.
140
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Aluminum used to be more valuable than gold!
84