The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
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
One 75-watt bulb gives more light than three 25-watt bulbs.
57
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Scientists aren't sure what color dinosaurs were.
312
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310