Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Sound at the right vibration can bore holes through a solid object.
134
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
Hot water can freeze faster than cold water.
181
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Out of all the senses, smell is most closely linked to memory.
146