Improving indoor air quality during wildfires

In California and other U.S. western states, wildfires have become more frequent and intense, adversely impacting air quality and human health. Smoke from wildfires contains many toxins and irritants, including particles ...

A rat's brain, on and off methamphetamine

Drug addiction is a vicious cycle of reward and withdrawal. Chronic users often relapse because of the unpleasant physical and psychological symptoms they experience when they stop taking the drug. Now, researchers report ...

Hot air? Qatar claims stadium cooling not eco risk

As the World Athletics Championships get underway in Qatar on Friday, the environmental cost of holding a top-tier sporting event in a sweltering desert has been thrust into the global spotlight.

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