An 18-year study reveals dramatic year-to-year variations in ultraviolet radiation penetration tied to Sierra Nevada precipitation cycles.
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Scientists Spot Sputtering on Mars
Nearly a decade’s worth of data went into the first direct observation of sputtering on Mars, which researchers believe contributed to the loss of the Red Planet’s atmosphere.
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Surface Conditions Affect How Mosses Take to Former Well Pads in Canada’s Boreal Fens
With the help of key moss species, a new approach aims to restore the fens of the Western Boreal Plain.
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Nonproducing Oil Wells May Be Emitting 7 Times More Methane Than We Thought
A study measured methane flow from more than 450 nonproducing wells across Canada, but thousands more remain unevaluated.
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Fallowed Fields Are Fueling California’s Dust Problem
New research shows that unplanted agricultural lands are behind most of the state’s anthropogenic dust events.
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Mini Dunes Form When Sand Stops Bouncing
Decoding how sand grains move and accumulate on Earth can also help scientists understand dune formation on Mars.
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Algunos árboles tropicales se benefician de los rayos
Dos imágenes muestran el mismo árbol, antes (izquierda) y después (derecha) del impacto de un rayo. En la imagen de la derecha, el árbol no está cubierto de enredaderas leñosas y algunos de los árboles que lo rodean han muerto.
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Tracking the Sediment Carried by the Muddy Mississippi
New research shows that typically, less than 10% of land-building alluvium reaches the Bird’s Foot Delta region, the southernmost reach of the river, where it meets the Gulf.
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Is Your Shampoo Washing Up in Antarctica?
Researchers have found chemicals from personal care products like shampoo, deodorant, and laundry soap in Antarctic snow.
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Los ríos de Brasil se están infiltrando
La extracción desmedida de aguas subterráneas podría estar obligando a los ríos a infiltrar agua hacia el subsuelo, según muestra un nuevo estudio. Las regiones con actividades de irrigación intensivas son las más expuestas a este riesgo.