A persistent drying trend, not plunging temperatures, may have played a role in the unexplained disappearance of Norse settlers from Greenland, according to researchers.
geochemistry
Posted inResearch Spotlights
Impact of Climate on River Chemistry Across the United States
Findings of a new study have implications for water quality, aquatic ecosystem health, and water treatment and management as the world warms.
Posted inFeatures
Fernando Temprano-Coleto: Going with the Flow
A career in fluid mechanics is both intellectually stimulating and well suited to solving environmental problems.
Posted inFeatures
Lina C. Pérez-Ángel: Proud to Study Paleoclimate in Colombia
As a young Latina, Pérez-Ángel brings a fresh perspective to paleoclimatology.
Posted inNews
Sorting Minerals Differently Could Usher a New Era for Mineralogy
Grouping minerals by how they were formed yields insights into our planet’s evolution across billions of years.
Posted inNews
Fossil Fuels Drive Increase in Atmospheric Helium
After decades of uncertainty, scientists have finally shown that fossil fuel extraction has flooded the atmosphere with 4He.
Posted inResearch Spotlights
Higher Lead Concentrations Found in Diseased Bones
Researchers compared trace element concentrations in patients with and without osteoporosis, finding possible differences in bone geochemistry between the groups.
Posted inResearch Spotlights
Mediciones pareadas de gases: ¿un nuevo trazador biogeoquímico?
Una técnica que mide la relación entre el dióxido de carbono producido y el oxígeno consumido podría mejorar las predicciones de la respuesta del suelo al cambio climático.
Posted inNews
Million or Billion? Narrowing Down the Age of Mantle Processes in New Guinea
Mantle rocks in Papua New Guinea contain curious geochemical signatures that scientists have traditionally interpreted as evidence of billions-year-old melting. New evidence suggests otherwise.
Posted inResearch Spotlights
Climate and Currents Shaped Japan’s Hunter-Gatherer Cultures
New climate records from a peat bog show how two neighboring cultures responded differently to shifts in climate and ocean currents.