For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
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In zero gravity, a candle's flame is round and blue.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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Iron weighs more after it rusts.
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One 75-watt bulb gives more light than three 25-watt bulbs.
57
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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