Trump ordered a migration halt from 19 nations and green card reviews after a deadly shooting near the White House.
A global game reveals that our idea of the size of continents is more accurate than classic maps and their distortions ...
Map O.1 Use of aggregated cellphone records to track mobility week by week during COVID-19 lockdowns in The Gambia, March–May, 2020 http://bit.do/WDR2021-Map-O_1 ...
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