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30 July 2019

Nutrient deficiencies in rice grown under higher carbon dioxide could elevate health risks for tens of millions

A recent study in the AGU journal GeoHealth finds declines in B-vitamin concentrations in rice grown under elevated carbon dioxide concentrations may increase the future health risks of large numbers of people around the globe.

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29 July 2019

Study suggests frozen Earthlike planets could support life

Icy planets once thought too cold to support life might have livable land areas above freezing, challenging the typical assumption of what kinds of planets might be habitable, a new study suggests.

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25 July 2019

Melting ice may change shape of Arctic river deltas

Thawing ice cover and easily erodible permafrost may destabilize Arctic river deltas, according to new research. A new study in the AGU journal Geophysical Research Letters finds sea ice and permafrost both act to stabilize channels on Arctic river deltas.

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24 July 2019

Scientists take high-speed video of waves to better understand sea spray

Waves crashing on seashores generate tiny droplets of water known as sea spray. Sea spray moves heat and water from the ocean to the atmosphere, but scientists are unsure which part of the wave-breaking process generates the most spray, whether it be wind shear, splashing, or the popping of air bubbles at the surface of the wave. To address this question, scientists generated breaking waves experimentally in a lab. They used a wave tank about the size of an average bowling lane to create miniature versions of plunging breakers, where the wave crest curls over itself and plunges downward.

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27 June 2019

Study finds increased moisture facilitated decline in African fires in Africa

The amount of area burned across Africa declined by 18.5 percent between 2002 and 2016, according to a new study.

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Study shows how to produce natural gas while storing carbon dioxide

New research shows that injecting air and carbon dioxide into methane ice deposits buried beneath the Gulf of Mexico could unlock vast natural gas energy resources while helping fight climate change by trapping the carbon dioxide underground.

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26 June 2019

Climate change is transforming northernmost Arctic landscapes

Isachsen, a permafrost monitoring site that sits at a latitude of 78 degrees north on the Arctic Canadian island of Ellef Ringnes, seemed like the last place that would feel the effects of climate change.

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25 June 2019

Ice-squeezed aquifers might create marsquakes

As the Mars InSight lander begins listening to the interior of Mars, some scientists are already proposing that some marsquakes could be signals of groundwater beneath the frozen surface of the Red Planet. The idea, proposed by Michael Manga, a planetary scientist at the University of California at Berkeley, and his colleagues, is that Mars could be experiencing quakes a lot like those being felt in Oklahoma and Texas due to wastewater injections from fracking. 

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24 June 2019

Atmospheric rivers getting warmer along U.S. West Coast

Most of the West Coast of the United States relies on a healthy winter snowpack to provide water through the dry summer months. But when precipitation falls as rain rather than snow, it can diminish summer water supplies, as well as trigger floods and landslides. A new study in AGU’s Journal of Geophysical Research: Atmospheres finds atmospheric rivers –plumes of moisture that deliver much of the west’s precipitation—have gotten warmer over the past 36 years.

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21 June 2019

Northern lights’ social networking reveals true scale of magnetic storms

Magnetic disturbances caused by phenomena like the northern lights can be tracked by a ‘social network’ of ground-based instruments, according to a new study from the University of Warwick.

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