Sunflowers can be used to clean up radioactive waste.
17
When watching a DVD press stop-stop-play-skip to skip the ads and go straight to the movie.
23
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
An iceberg contains more heat than a lit match.
73
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
Diamonds mined in Brazil are harder than those found in Africa.
40