Optical illusions occur when what the eyes see conflicts with what the brain expects.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
German chemists made a replica of a trophy the size of one molecule.
68
Scientists aren't sure what color dinosaurs were.
312
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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108