Iron weighs more after it rusts.
16
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The force of a suction cup is calculated using F=AP.
15
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
4.5 pounds of sunlight strike the Earth each day.
27
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15