A new technique using 81Kr can measure the age of old groundwater in arid regions. The method can be used as a proxy for past climates and weather patterns.
News
Goldilocks Meteors Carved into Cones
Their “just right” shape lends some shooting stars flight stability and symmetry.
Ousted Head of Science Agency Criticizes Brazil’s Denial of Deforestation Data
Ricardo Galvão was fired from the institute that monitors deforestation in the Amazon. Now he and other scientists are speaking out against attacks on science.
Wind-Triggered Ground Shaking Masks Microseismicity
Ground motion caused by gusts of wind can drown out signals from the smallest earthquakes, potentially confusing earthquake detection algorithms.
Nearest Star System May Have a Second Planet
The exoplanet candidate, tentatively named Proxima c, would be a frozen snowball.
Podcast: Space Weather and Global Policy
In the latest episode of its Centennial series, AGU’s Third Pod from the Sun talks space weather and its influence on global policy with Delores Knipp.
Sinking Wastewater Triggers Deeper, Stronger Earthquakes
The effects of pumping wastewater from oil and gas extractions may last a decade or more after the injections stop.
Smokey Bear, Fake Volcanoes, and Other Things We’re Reading
What Earth and space science stories are we recommending this week?
Microbes Spotted on Blades of Ice High in the Andes
Researchers discover microbial life on ice spires known as penitentes on the arid, sunlight-blasted upper reaches of Llullaillaco, one of the best earthly analogues for Mars.
Lawsuit Challenges Trump Administration’s Emissions Rollbacks
The suit argues that the administration is failing to curb carbon dioxide emissions as required under the Clean Air Act.