Most dust particles in your house come from dead skin.
48
Sound travels fifteen times faster through steel than through air.
134
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Billions of neutrinos pass unnoticed through your body every second.
6
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
A 'jiffy' is an actual unit of time for 1/100th of a second!
66