The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
No matter how cold it gets, gasoline will not freeze.
107
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
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Out of all the senses, smell is most closely linked to memory.
146
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
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10