A ball of glass will bounce higher than a ball made of rubber.
73
4.5 pounds of sunlight strike the Earth each day.
27
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
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
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
In zero gravity, a candle's flame is round and blue.
16