A cubic yard of air weighs about 2 pounds at sea level.
31
Iron weighs more after it rusts.
68
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
One barrel of petroleum holds 42 gallons.
20
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Hot water can freeze faster than cold water.
181
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