Researchers announce extinction of the Chinese paddlefish

The new decade 2020 began with the sad announcement that another species is now extinct—the Chinese Paddlefish (Psephurus gladius), a close relative of the sturgeon family. A paper by Chinese scientists concluded (based ...

Hydropower, innovations and avoiding international dam shame

For sweeping drama, it's hard to beat hydropower from dams—a renewable source of electricity that helped build much of the developed world. Yet five scientists from Michigan State University (MSU) say that behind roaring ...

Dams and the damage they do

Ted Scudder, a social anthropologist and fixture on the Caltech campus for more than 50 years, is one of the world's foremost experts on large dams. He's also one of their fiercest critics. That wasn't always the case though. ...

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