One third of the electricity produced on earth is used to power electric light bulbs!
75
One ragweed plant can release as many as one billion grains of pollen!
51
Sound travels fifteen times faster through steel than through air.
134
Out of all the senses, smell is most closely linked to memory.
146
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The average temperature at 40,000 feet above sea level is -60 F.
56
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17