Carolyn Gramling
Earth and Climate Writer at Science News
Writer at Science News. I write about geology and climate and oceanography and paleontology and I like Tom Weller (pic).
Articles
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1 month ago |
sciencenews.org | Carolyn Gramling
The sloth family tree once sported a dizzying array of branches, body sizes and lifestyles, from small and limber tree climbers to lumbering bear-sized landlubbers. Why sloth body size was once so diverse, while today’s sloths are limited to just two diminutive tree-dwellers, has been a long-standing question.
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1 month ago |
sciencenews.org | Carolyn Gramling
Penguins’ poop may be making Antarctica cloudier — and helping mitigate the regional impacts of climate change. Gases emitted from the birds’ guano are supplying key chemical ingredients to form the seeds of clouds — the tiny particles that clouds coalesce around, researchers report May 22 in Communications Earth & Environment. What penguin guano primarily contributes to the equation is ammonia.
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1 month ago |
sciencenews.org | Carolyn Gramling
An exceptionally preserved specimen of the ancient bird Archaeopteryx offers the most detailed window yet into the evolution of flight, researchers report online May 14 in Nature. The remarkable preservation of the specimen — the 14th Archaeopteryx ever unearthed — means that researchers can study aspects of the ancient bird that were previously difficult to discern, from the anatomy of its skull to the arrangement of its feathers to the soft tissues on its hands and feet.
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1 month ago |
snexplores.org | Carolyn Gramling
Scene: A patrol boat cruises through the water, just off a Caribbean island. Cue the pounding drums — a movie-trailer signal that danger approaches. Enter Spinosaurus. Three large, spiny sails slice through the deep blue sea and begin to circle the boat. The water roils. A worried passenger wonders what they are. Cut to another passenger who clings to the boat as it lurches. Suddenly, a spiny-sailed terror surges from the ocean, jaws snapping.
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1 month ago |
sciencenews.org | Carolyn Gramling
This year may already be on track to be the second hottest on record, after 2024. Floods and tornadoes are wracking wide swathes of the United States. And more wild weather is expected to be on the horizon. But the federal government’s ability — and long-standing charge — to warn the nation about the future impacts of climate change is in jeopardy.
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