Science - USA (2020-08-21)

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NEWS IN BRIEF 886 News at a glance IN DEPTH 888 Critics question whether novel reactor is ‘walk-away safe’ Design approval nears ...

SCIENCE sciencemag.org 21 AUGUST 2020 • VOL 369 ISSUE 6506 883 PHOTO: THIBAUT VERGOZ, INSTITUT POLAIRE FRANÇAIS DEPARTMENTS 884 ...

884 21 AUGUST 2020 • VOL 369 ISSUE 6506 sciencemag.org SCIENCE EDITORIAL T he recent murder of George Floyd by police in the Uni ...

T he chasm between science and politics con- tinues to grow, with Russian President Putin announcing this week that a fast-track ...

sciencemag.org SCIENCE PHOTO: ARECIBO OBSERVATORY Africa halts wild poliovirus INFECTIOUS DISEASES | After a long fight, Africa ...

SCIENCE sciencemag.org PHOTO: GERALD HERBERT/AP PHOTO Living things incorporate radioactive carbon-14 from the environment, and ...

888 28 AUGUST 2020 • VOL 369 ISSUE 6506 sciencemag.org SCIENCE GRAPHIC: C. BICKEL/ SCIENCE NEWS | IN DEPTH IN DEPTH Critics ques ...

SCIENCE sciencemag.org 28 AUGUST 2020 • VOL 369 ISSUE 6506 889 where it boils water in a separate circuit to drive turbines and ...

890 28 AUGUST 2020 • VOL 369 ISSUE 6506 sciencemag.org SCIENCE ILLUSTRATION: DAVIDE BONAZZI/SALZMANART who have tried to merely ...

SCIENCE sciencemag.org 28 AUGUST 2020 • VOL 369 ISSUE 6506 891 CREDITS: (PHOTO) SPEED MEDIA/ICON SPORTSWIRE/NEWSCOM; (DATA) FLUN ...

892 28 AUGUST 2020 • VOL 369 ISSUE 6506 sciencemag.org SCIENCE PHOTO: YANICK FOLLY/AFP/GETTY IMAGES B ack in March when COVID-19 ...

SCIENCE sciencemag.org 28 AUGUST 2020 • VOL 369 ISSUE 6506 893 PHOTO: AP PHOTO/ODED BALILTY A fter a COVID-19 lockdown earlier t ...

MUD FEATURES ByDavid Malakof 894 Published by AAAS ...

21 AUGUST 2020 • VOL 369 ISSUE 6506 895 G lop. Mire. Ooze. Cohesive sediment. Call it what you want, mud—a mixture of fine sedim ...

896 21 AUGUST 2020 • VOL 369 ISSUE 6506 sciencemag.org SCIENCE NEWS | FEATURES | MUD Bangladesh 1094. China 1083. Colombia 143. ...

SCIENCE sciencemag.org 21 AUGUST 2020 • VOL 369 ISSUE 6506 897 Deltas of change Muddy deltas that form where rivers meet the sea ...

sciencemag.org SCIENCE PHOTO: NICHOLAS HERTZLER C enturies ago, parts of the east- ern United States were drowned in mud. Now, R ...

NEWS SCIENCE sciencemag.org pioneering studies never quite persuaded scientists that some waterways had been utterly transformed ...

NEWS | FEATURES | MUD sciencemag.org SCIENCE These hazards prompted her, in 2002, to look for a safer project closer to home. Sh ...