Liquid TIDE laundry detergent glows under a blacklight.
96
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One barrel of petroleum holds 42 gallons.
20
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65