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New clues shed light on importance of Earth’s ice sheets

(Florida State University) Researchers examining subglacial waters both from Antarctica and Greenland found that these waters have higher concentrations of important, life-sustaining elements than previously thought, answering a big unknown for scientists seeking to understand the Earth’s geochemical processes.

Health trade-offs for wildlife as urbanization expands

City living appears to improve reproductive success for migratory tree swallows compared to breeding in more environmentally protected areas, a new five-year study suggests. But urban life comes with a big trade-off – health hazards linked to poorer water quality.

Antibiotic resistance genes in three Puerto Rican watersheds after Hurricane Maria

(American Chemical Society) In the aftermath of Hurricane Maria, a category 5 hurricane that made landfall in September 2017, flooding and power outages caused some wastewater treatment plants (WWTPs) to discharge raw sewage into waterways in Puerto Rico. Six months later, researchers monitored antibiotic resistance genes (ARGs) in three Puerto Rican watersheds, finding that the abundance and diversity of ARGs were highest downstream of WWTPs. They report their results in ACS’ Environmental Science & Technology.

An Over-the-Counter Sleep Aid May Help Prevent and Treat COVID-19

Results from a new study suggest that a hormone commonly used as an over-the-counter sleep aid may be a viable treatment option for COVID-19. Particularly with coronavirus cases rising during what some have termed the “fall surge,” repurposing drugs already approved by the U.S. Food and Drug Administration for new therapeutic purposes continues to be […]

The post An Over-the-Counter Sleep Aid May Help Prevent and Treat COVID-19 appeared first on Good News Network.

Landslide along Alaskan fjord could trigger tsunami

Scientists noted that the slope on Barry Arm fjord on Prince William Sound in southeastern Alaska slid some 120 meters from 2010 to 2017, a slow-moving landslide caused by glacial melt that could trigger a devastating tsunami. These are some of the first measurements to quantify how the slope is falling there; the study also models a potential tsunami.