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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
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
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
The smell of freshly cut grass is actually a plant distress call.
31