One cubic foot of gold weighs more than 1,200 pounds!
78
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Pumice is the only rock that floats on water.
14
Sound travels fifteen times faster through steel than through air.
134
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16