Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310