Most dust particles in your house are made from dead skin!
67
One barrel of petroleum holds 42 gallons.
20
The average temperature at 40,000 feet above sea level is -60 F.
56
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
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
The smell of freshly cut grass is actually a plant distress call.
31
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