Iron weighs more after it rusts.
68
Sound travels fifteen times faster through steel than through air.
134
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
4.5 pounds of sunlight strike the Earth each day.
27
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0