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fossils & paleontology

A reef teems with life in shallow water.
Posted inNews

Shifts in Tectonic Plates Change Biodiversity

by Danielle Beurteaux 19 September 202319 September 2023

A 36-million-year cycle of marine biodiversity booms and busts matches the movements of plate tectonics, linking what happens deep below the ocean to what’s happening in it.

A model of a complete dinosaur fossil hung by cables
Posted inNews

Illegal Fossil Export Is More Than an Irritator to the Global South

by Sofia Moutinho 14 September 202322 September 2023

More than 2,000 researchers have signed an open letter requesting the repatriation of a dinosaur fossil to Brazil. Some say the case highlights a pattern of scientific colonialism in paleontology.

A person wearing a bandana in front of a wall covered with small brown fossils.
Posted inFeatures

Aline Ghilardi: Fighting Against Colonialism and Sexism in Paleontology

by Meghie Rodrigues 25 July 20235 September 2023

The Brazilian scientist is one of the leading voices in the movement to bring a rare fossil back to Brazil.

Photo of a person looking at the camera while standing on rocks by a water body.
Posted inFeatures

Eiko Kitao: Fossil Hunter and Passionate Educator

by Mackenzie White 25 July 202325 July 2023

From uncovering giant ground sloths to helping build a fossil database, Kitao goes above and beyond as a laboratory technician at Santa Barbara City College.

Illustration of early hominins arriving in a multibiome mosaic landscape
Posted inNews

Humans Adapted to Diverse Habitats as Climate and Landscapes Changed

by Deepa Padmanaban 10 July 202310 July 2023

Long-term changes in Earth’s climate affected the dispersal of human ancestors and their adaptation to diverse habitats, a new study finds.

View through a microscope of yellow spheres and white shapes with thin lines
Posted inNews

Marine Life May Be Headed to Higher Latitudes

by Mackenzie White 19 April 202319 April 2023

Researchers tracked plankton through a changing climate over 8 million years. Now, that knowledge is helping scientists understand the coming effects of warming oceans.

Photograph of a rocky hillslope with two people sitting at the top, in the distance.
Posted inNews

UV Radiation Contributed to Earth’s Biggest Mass Extinction

Rachel Fritts, Science Writer by Rachel Fritts 10 February 202327 February 2023

To find the first direct evidence of heightened UV radiation during the end-Permian mass extinction, researchers turned to chemical evidence preserved in pollen grains.

Plants with thick, fleshy, pointed green leaves in the foreground, brown fossil in the background
Posted inNews

Small Shrubs May Have Played a Large Role in Decarbonizing the Ancient Atmosphere

by Meghie Rodrigues 9 February 20239 February 2023

Vascular plants may have contributed to shaping Earth’s atmosphere long before trees evolved.

An artist’s rendering of Earth covered in ice
Posted inNews

How Animals May Have Conquered Snowball Earth

by Chris Baraniuk 9 January 202323 January 2023

We know there were animals during Earth’s chilliest era. The question is, What did they look like?

Magnified black-and-white images of two fossils.
Posted inResearch Spotlights

Fluid Dynamics of Tiny, Ancient Marine Animals

Sarah Stanley, Science Writer by Sarah Stanley 2 November 202217 February 2023

Water flow simulations using 3D models of fossils yield new clues to the evolution of organisms known as medusozoans.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
Geophysical Research Letters
“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

EDITORS' HIGHLIGHTS
Community Science
“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
Reviews of Geophysics
“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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