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ScienceDaily: Fossils & Ruins News |
| Climate change record in clam shells Posted: 13 Dec 2021 09:19 AM PST The tiny, pale surf clam about the size of a fingernail that most people have seen and collected on beaches around the world holds clues in its shell to Earth's past. For the first time, researchers have been able to identify the monthly, and even weekly, ocean temperatures recorded in these smooth clam shells. Because ancient civilizations consumed these ubiquitous clams and left the shells at archeological sites, researchers now have a new way to reconstruct climate and its fluctuations from nearly 3,000 years ago. |
| Tooth cavities provide unique ecological insight into living primates and fossil humans Posted: 13 Dec 2021 09:18 AM PST Tooth decay is a common and unfortunate problem for many of us, but two University of Otago studies show it is also an issue for other primates, as well as our fossil relatives and ancestors. |
| Warm-bodied ties between mammals and birds more ancient than previously recognized Posted: 13 Dec 2021 09:18 AM PST The evolutionary origin of endothermy (the ability to maintain a warm body and higher energy levels than reptiles), currently believed to have originated separately in birds and mammals, could have occurred nearly 300 million years ago. |
| Low-cost AI soil sensors could help farmers curb fertilizer use Posted: 13 Dec 2021 08:17 AM PST Smart sensing technology to help farmers use fertilizer more effectively and reduce environmental damage has been created by bioengineers. |
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