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Tire-related chemical is largely responsible for adult coho salmon deaths in urban streams(图)
Tire-related chemical coho salmon deaths urban streams
2020/12/11
Every fall, more than half the coho salmon that return to Puget Sound's urban streams die before they can spawn. In some streams, all die. But scientists didn't know why.Now, a U.S. National Scie...
Stronger and more frequent hurricanes may pose a new threat to the sooty tern, an iconic species of migratory seabird found throughout the Caribbean and Mid-Atlantic, a new Duke University-led study r...
A lion tale: Humans cause most mountain lion deaths in Southern California
lion tale Humans cause most mountain lion deaths Southern California
2015/8/4
The biggest threat to Southern California mountain lions is us, confirms a comprehensive 13-year study of the population’s mortality and survival from the University of California, Davis.The study, pu...
Many sickle-cell deaths in Africa may be avoidable
sickle-cell deaths Africa bacterial infections
2009/9/15
Children in Africa with sickle cell anaemia are dying unnecessarily from bacterial infections, suggests the largest study of its kind, led by Oxford University researchers. The study, funded by the We...