The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
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
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Most dust particles in your house are made from dead skin!
67
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The smell of freshly cut grass is actually a plant distress call.
31