One ragweed plant can release as many as one billion grains of pollen!
51
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
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
Research indicates that plants grow healthier when they are stroked.
173
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
Neanderthal man had a brain capacity 100cc larger than modern man's.
50