4.5 pounds of sunlight strike the Earth each day.
27
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Diamonds can be shattered with a hammer.
-104
Out of all the senses, smell is most closely linked to memory.
146
Pumice is the only rock that floats on water.
14