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
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The force of a suction cup is calculated using F=AP.
15
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The storage capacity of human brain exceeds 4 Terrabytes.
140
A ball of glass will bounce higher than a ball made of rubber.
73
The bark of an older redwood tree is fireproof.
65
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21