You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79
Pollen never deteriorates. It is one of the few natural substances that lasts indefinitely.
58