The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A ball of glass will bounce higher than a ball made of rubber.
73
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Sound travels about 4 times faster in water than in air.
408
