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Posted inSci/Tech

New formation theory explains the mysterious interstellar object ‘Oumuamua

Since its discovery in 2017, an air of mystery has surrounded the first known interstellar object to visit our solar system, an elongated, cigar-shaped body named ‘Oumuamua (Hawaiian for “a messenger from afar arriving first”). How was it formed, and where did it come from? A new study published April 13 in Nature Astronomy offers a first comprehensive answer to […]

Posted inCalifornia

Study connects marine heat wave with spike in whale entanglements

January 27, 2020 – Climate change is increasing the frequency and severity of marine heat waves—warm water anomalies that disrupt marine ecosystems—and this is creating new challenges for fisheries management and ocean conservation. A new study shows how the record-breaking marine heat wave of 2014 to 2016 caused changes along the U.S. West Coast that […]

Posted inCalifornia

Fish in California estuaries are evolving as climate change alters their habitat

November 21, 2019 – The threespine stickleback, a small fish found throughout the coastal areas of the Northern Hemisphere, is famously variable in appearance from one location to another, making it an ideal subject for studying how species adapt to different environments. A new study shows that stickleback populations in estuaries along the coast of […]

Posted inRegional

Climate change and drought threaten small mountain streams in the Sierra Nevada

March 22, 2019 – Small mountain streams and the vibrant ecosystems they support were hit hard by the historic California drought of 2012 to 2015. Researchers monitoring aquatic life in Sierra Nevada streams observed significant declines in the numbers of aquatic insects and other bottom-dwelling invertebrates during the drought. The most vulnerable species included many […]