Una nueva investigación encuentra que Actinobacteria en cuevas de lava fijan carbón y sobreviven independientemente de aportes superficiales, ofreciendo una nueva perspectiva en la investigación de la vida fuera de la Tierra.
proxies
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Freshwater Mussel Shells May Retain Record of Alpine Snowpack
A new study explores a possible proxy for seasonal freshwater input that could elucidate changes in alpine snowpack as the planet warms.
Posted inResearch Spotlights
Earthly Lava Tubes May Offer Insights into Extraterrestrial Life
New research finds that Actinobacteria in lava caves fix carbon and survive independent of surface inputs, offering a fresh perspective in the search for life beyond Earth.
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Monitoring Seismic Vibrations During a Pandemic
Researchers in Spain monitored variations in seismic noise across Barcelona as the city locked down during the pandemic, clarifying the seismic band associated with human activity.
Posted inResearch Spotlights
First Worldwide View of a Key Phytoplankton Proxy
New insights into the dynamics of ocean features known as deep chlorophyll maxima set the stage for better understanding of their role in carbon cycling.
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Holy Water: Miracle Accounts and Proxy Data Tell a Climate Story
In 6th century Italy, saints were said to perform an unusual number of water miracles. Paleoclimatological data from a stalagmite may reveal why.
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Podcast: What Tree Rings Can Tell Us About the U.S. Civil War
Climate change–induced drought may have had an influence on the Civil War.
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Geologists Have a New Tool for Reconstructing the Ancient Climate
A new study of seafloor sediments finds that the temperature record in the early Paleozoic corresponds to significant shifts in the diversity of life on Earth.
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Terrestrial Plants Flourished After the Cretaceous–Paleogene Extinction
Compounds in ancient plant leaves tell the story of how an extinction event shaped our planet’s ecosystems.
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A Robust Proxy for Geomagnetic Reversal Rates in Deep Time
The strength of Earth’s magnetic field in the distant past can tell scientists whether the planet’s magnetic poles were steady or prone to frequent reversals.