Scientists aren't sure what color dinosaurs were.
312
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Sound travels fifteen times faster through steel than through air.
134
German chemists made a replica of a trophy the size of one molecule.
68
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
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 average home creates more pollution than does the average car.
33
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13