Tag: oceans
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PBS Eons: Where Did Water Come From?
PBS Eons has a new episode over on Youtube. This one is about early Earth and where did we get our liquid water. Mercury, Venus, and Mars are all super low on water – so where did ours come from and why do we have so much of it? We think our water came from…
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PBS Eons: How Ancient Whales May Have Changed the Deep Ocean
PBS Eons has a new episode. This one is about how whales changed the ocean. It looks like the evolution of ocean-going whales like Borealodon may have affected communities found in the deep ocean, like the ones found around geothermal vents. And it turns out that when a whale dies, that’s just the beginning…
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Earth’s Worst Mass Extinction Took Ten Times Longer on Land Than in the Water
SciTechDaily has a story about the Permian Mass Extinction. The worst mass extinction in Earth’s history, the Permian Mass Extinction happened about 252 million years ago. Researchers at the Field Museum in Chicago looked at the rate of extinction on land to see if it matched what is seen in the oceans. They found the…
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How Deep Is The Ocean
BuzzFeed has a cool video on YouTube that shows the depth of the ocean in nice relative steps. Check it out… very interesting!
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Ancient Seas May Have Poisoned Life
Via Science News: Soon after complex animals made their first great strides onto the stage of life, the oceans brewed up a toxic chemical mix that put the brakes on evolutionary innovation, suggests a paper in the Jan. 6 Nature. The culprits? Too little oxygen and too much sulfur dissolved in coastal waters, reports a…
