Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Out of all the senses, smell is most closely linked to memory.
146
A cubic yard of air weighs about 2 pounds at sea level.
31
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One 75-watt bulb gives more light than three 25-watt bulbs.
57