The largest Arctic ozone hole ever recorded is now closed

[ad_1] As suddenly as it was first formed, a record ozone hole It has healed The largest ozone hole ever opened over the Arctic is now closed, after opening earlier this spring. Scientists monitoring the “unprecedented” hole in the Copernicus Atmospheric Monitoring Service (CAMS) Announced The closing last week. Despite …

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Using wastewater to track the pandemic

[ad_1] © 2020 EPFL Alain Herzog / Xavier Fernandez Cassi took samples from the end of February Scientists around the world are studying the new coronavirus (SARS-CoV-2) from many different perspectives in an effort to better understand how it infects the body and spreads from person to person. The goal …

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