Seven new species of whitefish described in Central Switzerland

Biologists at Eawag have identified ten species of whitefish in the lakes of the Reuss river system. Of these, seven have been described as distinct species for the first time—although in two cases this required inspection ...

UV lamps used for disinfection may impair indoor air quality

Using ultraviolet germicidal radiation (UVGI) to disinfect indoor spaces is a demonstrably effective way of deactivating various pathogens (including the SARS-CoV-2 coronavirus). It deactivates bacteria and viruses by exposing ...

An examination of federal personnel changes in the Trump era

According to a new analysis, the total number of people employed full-time by the U.S. federal government remained largely unchanged by the end of the Trump administration, but with significant variation in growth, downsizing, ...

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