Sound travels about 4 times faster in water than in air.
408
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
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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
Sound travels fifteen times faster through steel than through air.
134
Sound at the right vibration can bore holes through a solid object.
134