One 75-watt bulb gives more light than three 25-watt bulbs.
57
The force of a suction cup is calculated using F=AP.
15
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Out of all the senses, smell is most closely linked to memory.
146
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
Your brain is 80% water.
525
According to studies, men change their minds two to three times more often than women.
72