Sound at the right vibration can bore holes through a solid object.
134
Scientists aren't sure what color dinosaurs were.
312
Research indicates that plants grow healthier when they are stroked.
173
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The force of a suction cup is calculated using F=AP.
15
One third of the electricity produced on earth is used to power electric light bulbs!
75
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61