One 75-watt bulb gives more light than three 25-watt bulbs.
57
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The average temperature at 40,000 feet above sea level is -60 F.
56
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
A ball of glass will bounce higher than a ball made of rubber.
73
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The only letter not appearing on the Periodic Table is the letter "J".
180