The average home creates more pollution than does the average car.
33
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
One barrel of petroleum holds 42 gallons.
20
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
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
The smell of freshly cut grass is actually a plant distress call.
31
Iron weighs more after it rusts.
16
Out of all the senses, smell is most closely linked to memory.
146