The only letter not appearing on the Periodic Table is the letter "J".
180
The storage capacity of human brain exceeds 4 Terrabytes.
140
A ball of glass will bounce higher than a ball made of rubber.
73
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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The sun is 330,330 times larger than the earth.
75
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
