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Describes the caves that are forming in Sandy Glacier on Mt. Hood in Oregon, what lives in them and what they mean for the future of the glacier.
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How scientists can learn information about the past from fossils.
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Five methods that create fossils.
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Describes the conditions necessary for fossilization.
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Learn how fluids behave in the microgravity environment of the International Space Station and how engineers design systems so that astronauts can live reasonably normal lives.
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Conservation of angular momentum causes particles in 3-dimensional space to flatten out. Solar systems, galaxies and black hole accretion discs are examples in the universe.
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Explains how overfishing can cause the collapse of a fishery and how to avoid that.
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Learn how paleontologists find and uncover fossils from an Eocene lake.
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Evolution is change through time, but natural selection is the mechanism by which life evolves.
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A rock drilled by the Curiosity Rover in Yellowknife Bay on Mars shows that Gale Crater was an ancient lake. The lake would have been habitable by chemlithautotrophs or other extremophiles. Mars explo ...
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