Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Balsa wood is classified as a hard wood!
41
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
Cold water weighs more than hot water.
93
The average temperature at 40,000 feet above sea level is -60 F.
56
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
The only letter not appearing on the Periodic Table is the letter "J".
180
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16