4.5 pounds of sunlight strike the Earth each day.
27
Sound travels fifteen times faster through steel than through air.
134
Cold water weighs more than hot water.
93
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Billions of neutrinos pass unnoticed through your body every second.
6
Scientists aren't sure what color dinosaurs were.
312