Towers of smoke that rose high into the stratosphere during Australia’s “black summer” fires in 2019 and 2020 destroyed some of Earth’s protective ozone layer, researchers report in the March 18 ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 118, No. 4 (January 26, 2021), pp. 1-3 (3 pages) The ability to cast a mail ballot can safeguard the franchise.
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