Scientists have uncovered microbial DNA preserved in mammoth remains dating back more than one million years, revealing the oldest host-associated microbial DNA ever recovered. By sequencing nearly 500 specimens, the team identified ancient bacterial lineages—including some linked to modern elephant diseases—that coexisted with mammoths for hundreds of thousands of years. These discoveries shed light on the deep evolutionary history of microbes, their role in megafaunal health, and how they may have influenced adaptation and extinction.
source https://www.sciencedaily.com/releases/2025/09/250905112303.htm
Superheated sediments in a submarine pressure cooker—an unexpected source
of deep-sea hydrogen
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The mid-ocean ridge runs through the oceans like a suture. Where Earth's
plates move apart, new oceanic crust is continuously formed. This is often
accompa...
5 hours ago
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