A ball of glass will bounce higher than a ball made of rubber.
73
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Iron weighs more after it rusts.
16
Sound at the right vibration can bore holes through a solid object.
134