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Photosynthesis: Chemistry
- During photosynthesis, carbon dioxide is split into carbon and oxygen atoms, and water is split into oxygen and hydrogen atoms. Chlorophyll then uses these atoms to make glucose to store the energy.
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Discoveries: Fish Mating Calls
(5:43)
See how scientists solved the mystery of a relentless sound coming through the walls of people living near the Florida coast. Learn more about fish mating in this video.
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Electricity From Spinach
(1:31)
Watch this video about electricity from spinach on HowStuffWorks. MIT researchers have created a spinach-powered solar battery, harnessing the ability of plants to convert sunlight into electricity. Learn how to generate electricity from spinach in... More »
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Creating Headless Clones
(1:54)
It is possible to create a headless clone of a tadpole, suggesting that it would also be possible to clone organs without having to create a complete individual.
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FYI: Cockroaches
(1:19)
Most people hate roaches, but these little bugs are the ultimate survivors. Learn what makes cockroaches tick by watching this video from the Discovery Channel.
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Wild and Weird Rockets: Gila Monster
(2:44)
The Gila Monster is probably the biggest homemade rocket you've ever seen in your life. Check it out in this video. Brought to you by the Discovery Channel.
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Growing Living Organs in a Lab
(0:58)
U.S. researchers have grown a living and beating heart in a lab. Scientists from the University of Minnesota took hearts from dead rats and injected them with heart cells from newborn rats; the hearts then came to life. Video courtesy of Reuters.
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Dr. G: Tools of the Trade
(6:10)
See the wide range of tools -- both high-tech and simple -- that are used to perform autopsies. Learn more about the daily grind of a medical examiner in this video from Discovery.
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Polar Bear Alcatraz: An Uncertain Future
(2:14)
These polar bears face an uncertain future on Wrangel Island. Can they survive global warming?
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