Marine life in the water column depends on the right combination of water temperature, acidity, and oxygen levels, so creatures such as fish and plankton can be hard hit by large regional fluctuations in any of these parameters. ...
Environment
Jul 1, 2024
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Alpine habitats present extreme challenges, including low temperatures, high UV radiation, and limited oxygen levels, which demand unique adaptations from the plants that inhabit these regions. Despite their ecological importance, ...
Plants & Animals
Jun 28, 2024
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For a billion years, single-celled eukaryotes ruled the planet. Then around 700 million years ago during Snowball Earth—a geologic era when glaciers may have stretched as far as the Equator—a new creature burst into existence: ...
Evolution
Jun 27, 2024
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9
On Everest's sacred slopes, climate change is thinning snow and ice, increasingly exposing the bodies of hundreds of mountaineers who died chasing their dream to summit the world's highest mountain.
Environment
Jun 27, 2024
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103
Five hundred million years ago, the so-called Cambrian "SPICE" event made oxygen levels in the oceans drop dramatically.
Earth Sciences
Jun 21, 2024
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