It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Sound travels about 4 times faster in water than in air.
408
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
No matter how cold it gets, gasoline will not freeze.
107
Most dust particles in your house are made from dead skin!
67
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5