Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Indoor pollution is 10 times more toxic than outdoor pollution.
62
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One barrel of petroleum holds 42 gallons.
20