In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
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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.
15
Iron weighs more after it rusts.
16
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Liquid TIDE laundry detergent glows under a blacklight.
96
The earth is approx. 6,588,000,000,000,000,000 tons.
175
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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