The smell of freshly cut grass is actually a plant distress call.
31
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
A cubic yard of air weighs about 2 pounds at sea level.
31
The storage capacity of human brain exceeds 4 Terrabytes.
140
Sound travels about 4 times faster in water than in air.
408
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
German chemists made a replica of a trophy the size of one molecule.
68
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71