Pandemic mood: Much worse than a bad Monday

The COVID-19 pandemic has been depressing, demoralizing, and stressful for people around the world. But is there any way to measure exactly how bad it has made everyone feel?

Study shows air pollution speeds snowmelt

Diminished anthropogenic pollutant emissions during 2020 COVID-19 lockdowns reduced snowmelt in the Himalayas, according to a study published in the journal PNAS Nexus.

When should we reopen the economy?

The U.S. risks hurting the economy more than helping it if the economy is restarted before mid-June, new research shows.

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