Cold water weighs more than hot water.
93
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
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
A single speck of dust is half way in size between a subatomic particle and the Earth.
15