Iron weighs more after it rusts.
16
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
4.5 pounds of sunlight strike the Earth each day.
27
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118