Science news articles about 'california river'

... , among the most widely-used home pesticides, are winding up in California rivers at levels toxic to some stream-dwellers ... , one – bifenthrin – was found most often in the rivers and creeks in the Sacramento area, and pest control companies in California use four ...

... ) -- Scientists say they don't know why a "yucky" kind of algae is fouling a stretch of a California river to the displeasure of swimmers and fishermen ...

... , they have named this ancient northeastward-flowing river the California River, after its inferred source in the Mojave region ... miles (700 kilometers) to the northeast of their source in California. "The river was on a very similar scale to the modern ...

Reviving chinook salmon on the San Joaquin River will cost more than $20 million - which may sound like a lot of money for 40,000 fish. But this rare project will take years of work, scientists say.

A female gray whale remains stuck in a Northern California river despite scientists' efforts to nudge the 40-ton mammal seaward with unpleasant underwater sounds.