Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists aren't sure what color dinosaurs were.
312
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Iron weighs more after it rusts.
16
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The force of a suction cup is calculated using F=AP.
15