A ball of glass will bounce higher than a ball made of rubber.
73
One cubic foot of gold weighs more than 1,200 pounds!
78
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
The only letter not appearing on the Periodic Table is the letter "J".
180
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
One third of the electricity produced on earth is used to power electric light bulbs!
75
Out of all the senses, smell is most closely linked to memory.
146
A single speck of dust is half way in size between a subatomic particle and the Earth.
15