Iron weighs more after it rusts.
68
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Indoor pollution is 10 times more toxic than outdoor pollution.
62
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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57