Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
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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.
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4.5 pounds of sunlight strike the Earth each day.
27
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
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!
21
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24