The bark of an older redwood tree is fireproof.
65
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Sound travels fifteen times faster through steel than through air.
134
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
The left ear is more responsive to words of love and emotion whispered into it than the right.
40