Your brain is 80% water.
525
Hot water can freeze faster than cold water.
181
Out of all the senses, smell is most closely linked to memory.
146
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
One third of the electricity produced on earth is used to power electric light bulbs!
75
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
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