Research indicates that plants grow healthier when they are stroked.
173
No matter how cold it gets, gasoline will not freeze.
107
Sound travels about 4 times faster in water than in air.
408
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
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3