A new study shows melting glaciers are remobilizing pollutants.
sediments
Late Campanian Arabia-Eastern Anatolia Collision
New sediment-provenance data date the closure of the southern Neotethys and the Arabia–Eastern Anatolia collision to 74–71 million years ago, at least 25 million years earlier than previously estimated.
Kuwanna Dyer-Pietras: Running Through the Rock Record
A geologist who left academia found a new way to stay connected to Earth, one ultramarathon at a time.
Pay Dirt: How Colonialism Left Its Mark on the Soil of the American Southwest
An alpine lake holds traces of how Spanish conquistadors kicked up dust as they colonized the Southwest.
Warm Waters Disrupt Seagrasses’ Microbial Environment
Microbial communities in ocean sediments become imbalanced as water temperatures rise, harming seagrass growth, a new study suggests.
In Bihar, Groundwater Treatment Units Were Installed in Regions That Didn’t Need Them
Some regions that did need systems to treat carcinogens such as arsenic went without.
Small and Large Grains Move Differently in Water
A shift in perspective: flume experiments show that grain entrainment is far more complex than traditional models suggest.
Gravity Waves Help Drive Sediment to the Deep Ocean
Laboratory experiments reveal that gravity wave-turbidity current interactions (combined flows) can enhance sediment transport to the deep ocean.
Curiosity Stumbles Upon Evidence of Ancient Martian Winds
Researchers have found evidence of a sandstorm on Mars that occurred about 3.6 billion years ago.
Drilling Down to Open Up New Understanding of Earth’s Continents
Scientists have drilled into Earth’s crust for decades to understand natural hazards, past climates, energy resources, and more. They’ve only scratched the surface of what we can learn.
