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Matemàtiques (21)
Ciències Naturals (1466)
CS, Geografia I Història (283)
Tecnologia (124)
Arts Plàstiques, Imatge I Disseny (10)
Arts Escèniques, Música I Dansa (6)
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Describes how scientists use metamorphic rocks to reveal the geologic history of strata at the bottom of the Grand Canyon.
It is an educational content of CK-12 Foundation (to access some of the CK-12 ...
Discover the rings of the outer planets, including the most spectacular set around Saturn.
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Small solar panels can be made in a 3-d printer more efficiently than in a factory.
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Pharmaceuticals leave our bodies through urine and enter the environment where they may have harmful effects on aquatic wildlife.
It is an educational content of CK-12 Foundation (to access some of the ...
Learn about those most fearsome of storms, tornadoes.
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Learn about permafrost: where it is, what it is, and the global consequences if it melts. Melting permafrost is an example of a positive feedback mechanism in the climate system.
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Much of the ocean is unknown, and every trip to the deep finds something new like vampire squid and angler fish with bioluminescent lures.
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Gives a modern understanding of plate tectonics to add to the more classical one.
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Learn about the dynamics of ionic reactions.
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Explores the scientific contributions of the Italian Renaissance genius, Leonardo da Vinci.
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