The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One cubic foot of gold weighs more than 1,200 pounds!
78
Sound travels fifteen times faster through steel than through air.
134
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Sound at the right vibration can bore holes through a solid object.
134
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18