During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The average home creates more pollution than does the average car.
33
Out of all the senses, smell is most closely linked to memory.
146
One 75-watt bulb gives more light than three 25-watt bulbs.
57
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
Most dust particles in your house are made from dead skin!
67
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61