A warm intrusion in the Arctic causes extreme pollution levels

During the MOSAiC research expedition, conducted in the Arctic pack ice between 2019 and 2020, EPFL scientists observed an atmospheric perturbation triggered by the intrusion of a highly polluted warm air-mass. A first study ...

Image: Pakistan inundated

While much of Europe is on drought alert, Pakistan is awash. Data captured from space by Copernicus Sentinel-1 on 30 August was used to map the extent of flooding that is currently devastating Pakistan. Heavy monsoon rainfall—ten ...

Do wind instruments disperse COVID aerosol droplets?

During the COVID-19 pandemic, many live musical events and festivals were postponed and even canceled to protect musicians and audience members. When they started performing again, many groups resorted to performing with ...

NASA's Europa Clipper spacecraft kicks assembly into high gear

The core of NASA's Europa Clipper spacecraft has taken center stage in the Spacecraft Assembly Facility at the agency's Jet Propulsion Laboratory in Southern California. Standing 10 feet (3 meters) high and 5 feet (1.5 meters) ...

Researchers decipher ancient chemistry formulas

Researchers have identified the ingredients in chemistry formulas from an 2,300-year-old Chinese text, revealing ancient metallurgy was more complex than expected.

Sunrise III found safe at landing site

Following the termination of the flight of the balloon-borne solar observatory Sunrise III on July 10, team members have reached the landing site and found the observatory's science payload largely intact. According to current ...

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