Brass doorknobs automatically disinfect themselves in about 8 hours.
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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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The average temperature at 40,000 feet above sea level is -60 F.
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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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4.5 pounds of sunlight strike the Earth each day.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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