It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Pure water (H2O) does not conduct electricity on its own.
46
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Cold water weighs more than hot water.
93