Indoor pollution is 10 times more toxic than outdoor pollution.
62
4.5 pounds of sunlight strike the Earth each day.
27
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
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
Iron weighs more after it rusts.
68

