Biologists think they know why this stunning Hawaiian plant is vanishing
Silversword populations have dropped 60% in the past 30 years".
Metallurgy, Chemicals
Political tensions unravel plan to convert Iranian nuclear site to civilian uses
Engineers stop converting Fordow centrifuges to produce isotopes".
Granny killer whales pass along wisdom—and extra fish—to their grandchildren
Study is first direct evidence in nonhuman animals of the “grandmother hypothesis”".
Modern fishing methods are driving small whales and dolphins to extinction
Report paints dire picture of coastal cetacean populations".
Microsatellites will capture GPS reflections to sharpen weather forecasts
Startup launches first in a planned space flotilla to probe soil moisture and hurricane winds".
Space budget boost puts Europe in lead to monitor carbon from space
Funding increase for ESA’s Copernicus program advances satellites to monitor Paris accord cuts".
Update: FDA issues speedy approval of innovative sickle cell drug
Critics note there’s no proof it reduces painful “crises” or other disease symptoms".
Quintet of study retractions rocks criminology community
Issues include allegations of falsified survey data".
Stark party differences in ‘Brexit election’ could shape future of U.K. science
Contenders’ opposing Brexit stances overshadow policies on research funding and immigration".
Could this desert beetle help humans harvest water from thin air?
Researchers glean new insights into how insect sucks moisture from the atmosphere".
European Mars rover in a ‘race against time’ to fix parachutes
ExoMars team looks to NASA for help after unexplained parachute tears".
This microbe no longer needs to eat food to grow, thanks to a bit of genetic engineering
Biochemical makeover allows Escherichia coli to use carbon dioxide as a building block for its cells".
Back to the future: The original time crystal makes a comeback
System that inexorably loops in time may remain practically unachievable, however".
‘I’m known as an activist.’ New UNAIDS leader takes charge
Winnie Byanyima brings eclectic background to big challenge".
Major journal editors blast EPA’s ‘secret science’ rule, again
Study quality, not transparency, should be agency focus, they write".
In unpublished paper, former White House climate adviser calls methane ‘irrelevant’ to climate
Research aims to support rollback of methane rules".
Dung beetles borrowed wing genes to grow their horns
The beetle horn should no longer be considered a “novel” structure, study suggests".
Bursting bubbles blow smoke rings
High-speed video captures complex jets of gas shooting high above the bubble".
This lab on wheels could be a game-changer during the next Ebola outbreak, scientists say
New mobile biosafety lab could be flown or driven to outbreaks in difficult locations".
French playwright Molière did indeed write his own masterpieces, computer science suggests
Linguistic analysis distinguishes Molière’s writing from suspected ghostwriter’s".