New analysis links desert dust to cloud freezing, with big implications for weather and climate models.
News
Cruise to Measure Gulf Dead Zone Faces Stormy Funding Future
Funding cuts are affecting The Pelican’s annual hypoxia cruise to investigate the environmental conditions off the coast of Louisiana.
Bridging Old and New Gravity Data Adds 10 Years to Sea Level Record
The remarkable agreement between the two techniques shows how scientists can bolster state-of-the-art gravimetry instruments with old-guard altimetry satellites.
Primera evaluación a nivel de especies revela riesgo de extinción en Mesoamérica
El 46% de las especies arbóreas de Mesoamérica se encuentran en peligro de extinción. Investigadores esperan que un nuevo estudio regional provea información acerca de estrategias de conservación específicas.
Inside a Georgia Beach’s High-Tech Fight Against Erosion
Armed with drones and lasers, scientists are creating detailed 3D maps of Tybee Island’s shifting shoreline.
A Debate over Wakes in the Land of 10,000 Lakes
Wakeboats are turning Minnesota’s lakes into summertime surf spots, but the artificial chop can shake up the lake bed, too. New wake data can help communities plan for responsible recreation.
A Burst of Subglacial Water Cracked the Greenland Ice Sheet
When a lake beneath the Greenland Ice Sheet drained, its water burst through the ice sheet’s surface. This surprising event may have affected the movement of a nearby glacier.
Fossilized Micrometeorites Record Ancient CO2 Levels
A cadre of iron-rich extraterrestrial particles picked up faint whiffs of our planet’s atmosphere when they fell to Earth millions of years ago.
Scientists Track Down Fresh Boulder Falls on the Moon
By poring over thousands of satellite images, researchers geolocated 245 fresh boulder tracks, revealing signs of seismic activity or impact events within the last half-million years.
Nitrogen Needs Could Be Limiting Nature’s Carbon Capacity
A new study suggests that past calculations of biological nitrogen fixation were overestimated by up to 66%—and that farms growing nitrogen-fixing crops may be filling in the gaps, for better or worse.
