One ragweed plant can release as many as one billion grains of pollen!
51
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Hot water can freeze faster than cold water.
181
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Iron weighs more after it rusts.
68
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Pumice is the only rock that floats on water.
14