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Plague transmission rates increased from the Black Death to the Great Plague

Plague transmission rates increased from the Black Death to the Great Plague

Science
Oct. 19 (UPI) -- From the 14th to the 19th centuries, Europe and Asia were struck by successive waves of the plague. New research -- published Monday in the journal PNAS -- suggests that over the course of the pandemic, from the Black Death of 1348 to the Great Plague of 1665, transmission rates increased four-fold. In recent years, genomic analysis has offered scientists a variety of insights into the nature of bubonic plagues that decimated much of Europe and Asia during the Late Middle Ages, but details related to disease transmission mode and dynamics have been hard to come by. Advertisement Plague is caused by the bacterium Yersinia pestis, which can be transmitted via flea bites, the typical route for bubonic plague, or directly from human to human, called pneumonic plague. "Both ty...
SpaceX launches 60 more Starlink broadband satellites

SpaceX launches 60 more Starlink broadband satellites

Science
Oct. 18 (UPI) -- SpaceX launched its 14th group of 60 satellites from Florida under blue skies Sunday for the company's Starlink broadband network, which is approaching a full-scale public trial period. Liftoff occurred on time at 8:25 a.m. EDT aboard a Falcon 9 rocket from Complex 39A at Kennedy Space Center. Advertisement The launch boosted the number of satellites in orbit to nearly 800. After the previous Starlink launch Oct. 6, SpaceX founder and CEO Elon Musk tweeted that the launch would soon allow it to "roll out a fairly wide public" test in the northern United States and "hopefully" in southern Canada. "Other countries to follow as soon as we receive regulatory approval," Musk wrote. The company said emergency responders in northern Washington State had used the Starlink servic...
Why US election could decide climate change battle

Why US election could decide climate change battle

Science
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Gardens help towns and cities beat countryside for tree cover

Gardens help towns and cities beat countryside for tree cover

Science
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SpaceX plans Starlink broadband satellite launch Sunday morning

SpaceX plans Starlink broadband satellite launch Sunday morning

Science
ORLANDO, Fla., Oct. 17 (UPI) -- SpaceX plans to launch its 14th group of about 60 satellites from Florida on Sunday morning for the company's Starlink broadband network, which is approaching a full-scale public trial period. Liftoff is scheduled for 8:25 a.m. EDT aboard a Falcon 9 rocket from Complex 39A at Kennedy Space Center. Advertisement The launch would boost the number of satellites in orbit to nearly 800. After the previous Starlink launch Oct. 6, SpaceX founder and CEO Elon Musk tweeted that the launch would soon allow it to "roll out a fairly wide public" test in the northern United States and "hopefully" in southern Canada. "Other countries to follow as soon as we receive regulatory approval," Musk wrote. The company said emergency responders in northern Washington State had u...