Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Nylon is made from coal and petroleum.
42
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
In zero gravity, a candle's flame is round and blue.
16
Out of all the senses, smell is most closely linked to memory.
146
Hot water can freeze faster than cold water.
181
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34