Central Panama's landscape helped an interdisciplinary team, led by Woods Hole Oceanographic Institute researchers, analyze how geochemically enriched material travels laterally through Earth’s mantle, similar to wind blowing at the surface. (Peter Barry, Woods Hole Oceanographic Institution/Zenger)
Central America

Central (American) Heating: Scientists Find Subterranean Volcanic Duct From Galapagos To Panama

“Magma wind” blowing through a 900-mile underground channel brings volcanic material from the Galápagos Islands to Panama.
The post Central (American) Heating: Scientists Find Subterranean Volcanic Duct From Galapagos To Panama appeared first on Zenger News.
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New research has upended the claim that there was a mass shark extinction 19 million years ago. Bull sharks, a member of the shark family that has been around for more than 400 million years, has defied all major mass extinction events.  (Dominik Radler/Zenger)
Animals

Some-Fin Fishy About Those Figures: Claimed Extinction Of Ancient Sharks Never Happened, Says Study

Bitter academic row over widely followed claim that 90 percent of sharks died off 19 million years ago.
The post Some-Fin Fishy About Those Figures: Claimed Extinction Of Ancient Sharks Never Happened, Says Study appeared first on Zenger News.
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Researchers used DNA capture-enrichment technology developed at McMaster University to isolate and rebuild the fluctuating animal and plant communities during the Pleistocene-Holocene transition of 11,000 years ago in North America. (Julius Cstonyi)
Animals

Mammoth Discovery: Giant Tuskers And Wild Horses Roaming North America Died Out Only 5,000 Years Ago

New permafrost studies reveal the ancient beasts survived for far longer than previously thought.
The post Mammoth Discovery: Giant Tuskers And Wild Horses Roaming North America Died Out Only 5,000 Years Ago appeared first on Zenger News.
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