The Red Sea's spectacular coral reefs face a new threat, marine biologists warn—the mass death of sea urchins that may be caused by a mystery disease.
Plants & Animals
5 hours ago
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5
For the first time, scientists have mapped the reproductive strategies and life cycle of an endangered coral species, offering hope it can be clawed back from the path to extinction.
Plants & Animals
Sep 20, 2023
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Foraminifera are tiny, single-celled organisms that live in the oceans. Their hard shells, made of calcium carbonate, can withstand the test of time and their fossils reveal a lot about Earth's history, including past climates ...
Evolution
Sep 19, 2023
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The goliath grouper, a colossus of a fish that can weigh up to 360 kilograms (nearly 800 pounds), is the delight of divers in Florida, though scientists warn their numbers are down since the US state allowed fishing of the ...
Ecology
Sep 17, 2023
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