New Radioactivity Measurement Could Boost Precision of Dark Matter Experiments

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June 11, 2021

Physics New Radioactivity Measurement Could Boost Precision of Dark Matter Experiments The process finds minuscule amounts of radioactive material in metals By Karmela Padavic-Callaghan

Medical & Biotech Neck-Zapping Gadget Reduced All-Nighter Fatigue in New Study And the benefits of two four-minute sessions persisted for hours By Maddie Bender

Behavior & Society Trailblazing Transgender Doctor Saved Countless Lives After transitioning in 1917, Alan L. Hart helped alter medical history By Leo DeLuca

Automotive Electric Vehicle Orders Are Zooming at Ford Consumers want the racy Mustang Mach-E coupe and the powerful F-150 Lightning pickup truck By Arianna Skibell,E&E News

Math A Random Walk through the English Language How a dispute between a religious believer and a confirmed atheist led to a major mathematical breakthrough By Jordan Ellenberg

Biology For African Elephants, Pee Could Be a Potent Trail Marker Scientists found that elephants often sniff pathways—and seem especially attuned to urine. By Christopher Intagliata | 02:17

Policy & Ethics Any Reform of Federal Oil and Gas Leasing Must Include Environmental Justice Drilling and refining has often come at the expense of Black communities, engulfing our neighborhoods with massive amounts of toxic pollution By Beverly L. Wright

Public Health The COVID Lab-Leak Hypothesis: What Scientists Do and Do Not Know An examination of the arguments that SARS-CoV-2 escaped from a lab in China and the science behind them By Amy Maxmen,Smriti Mallapaty,Nature magazine

FROM THE STORE Ask the Experts: Physics and Math Scientific American's  "Ask the Experts" column has been answering reader questions for nearly two decades. Now, we've combed through our archives and compiled some of the most interesting entries into a series of eBooks organized by subject. In the first of the series – Physics and Math – professors and researchers tackle a wide range of natural phenomena and mathematical concepts from what is antimatter to applications of game theory to what we know about tachyons.

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