Spines of saber-toothed cats tell a tale of the doomed species
Remains pulled from the La Brea Tar Pits revealed deformed vertebrae and rare tumors, possible signs of inbreeding among now-extinct saber-toothed cats.
Remains pulled from the La Brea Tar Pits revealed deformed vertebrae and rare tumors, possible signs of inbreeding among now-extinct saber-toothed cats.
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Marine cloud brightening could cool part of the Pacific and weaken extreme El Niños, simulations suggest. But the approach could have risks.