If the chemical sodium is dropped into water it will immediately and violently explode.
67
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Sound travels about 4 times faster in water than in air.
408
Cold water weighs more than hot water.
93
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The smell of freshly cut grass is actually a plant distress call.
31