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The science behind freshwater fish kills in Kerala

Fisherfolk in the Pathalam-Edayar segment of the Periyar river in Kerala are reeling from a large-scale fish kill, which occurred around May 21. Fish stocked by farmers in over 100 cages were killed and the losses suffered by them were…

Long COVID finally gets a universal definition

A sweeping new definition of long COVID could help affected people get recognition of their condition and improve diagnosis and treatment. The U.S. National Academies of Sciences, Engineering and Medicine announced the…

Can humans get chronic wasting disease from deer?

Chronic wasting disease has been spreading among deer in the United States, which has raised concerns that the fatal neurological illness might make the leap to people. But a recent study suggests that the disease has a tough path…