Physics
How COVID-19 cough clouds travel in the presence and absence of face masks: study
How COVID-19 cough clouds travel in the presence and absence of face masks: study As the coronavirus has affected more
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21 October 2020
Day: October 21, 2020
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Space
Ultraviolet shines light on origins of the solar system
Ultraviolet shines light on origins of the solar system In the search to discover the origins of our solar system,
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21 October 2020
Archaeology
Peru unveils giant cat etching at famous Nazca site
Peru unveils giant cat etching at famous Nazca site A giant 2,000-year-old figure of a feline that was on the
bizsiziz
21 October 2020