Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Billions of neutrinos pass unnoticed through your body every second.
6
Nearly 50% of the world's scientists are assigned to military projects.
71
The only letter not appearing on the Periodic Table is the letter "J".
180
One barrel of petroleum holds 42 gallons.
20
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39