El fechamiento por radiocarbono es un pilar de la climatología y la arqueología. Sin embargo, esta metodología se encuentra amenazada por las emisiones de combustibles fósiles, que invalidan una señal útil proveniente de pruebas nucleares.
News
U.S. Streams Are Drying Up
A new study reports that streamflow drought is getting more intense in some parts of the United States, a phenomenon that is stressing the nation’s water policy and infrastructure.
An Inclusive Approach to Oceangoing Research
The bread and butter of oceanography, sea voyages rarely include minoritized communities and nonscientists. The Inclusion Mission wants to change that.
Este no es el ciclo del agua que conociste en tu infancia
El USGS (servicio geológico de los EE.UU.) acaba de sacar un diagrama del ciclo del agua completamente renovado, con los humanos como protagonistas.
Scientists Tune In to Blue Whale Feeding Rhythms
New acoustic sensing technology is allowing scientists to track blue whale movements in real time, a breakthrough that could help save whales’ lives.
Stalagmites Show Evidence of Prolonged Droughts in India
A new study using oxygen isotopes reconstructs a prolonged record of India’s summer monsoons, showing much greater variability than modern data sets.
Warmer Winters Keep Crops Sleepy into Spring, Hurting Yield
Annual crops go dormant during winter. Frosty temperatures cue them to wake up—but the warmer winters brought on by climate change scramble the cold signal, hurting yield.
Isótopos de criptón proporcionan nuevos indicios sobre el pasado de los planetas
Para determinar cómo los elementos cruciales para el desarrollo de la vida llegaron a la Tierra, los científicos estudian los gases nobles. Actualmente, métodos mejorados traen consigo nuevos indicios a partir del criptón, el gas noble más enigmático.
Long-Gone Moon Could Explain Birth of Saturn’s Rings
Named Chrysalis, the moon could have disintegrated during a close encounter with the gas giant roughly 100 million years ago.
Satellites Get First Full-Year View of Arctic Sea Ice Thickness
The AI-based monitoring method may unlock data that could improve shipping safety and climate predictions.
