Highest-Energy Particles Yet Arrive from Ancient Crab Nebula

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July 08, 2021

Physics Highest-Energy Particles Yet Arrive from Ancient Crab Nebula Astronomers have observed record-breaking photons that strain classical theories of acceleration By Ling Xin

Space China's Moon Samples Could Revise Lunar Chronology Scientists around the world are eager to analyze young lunar rocks By Irene Klotz

Math Fields Medals Are Concentrated in Mathematical 'Families' Elite mathematicians tend to pass their prestige down to advisees By Clara Moskowitz,Shirley Wu

Climate Western Heat Wave 'Virtually Impossible' without Climate Change Global warming made such an event at least 150 times more likely a new rapid analysis finds By Chelsea Harvey,E&E News

Policy & Ethics If You Say 'Science Is Right,' You're Wrong It can't supply absolute truths about the world, but it brings us steadily closer By Naomi Oreskes

Policy & Ethics Why the NFL Embraced the Racism of 'Race Norming' A statistical manipulation that underpaid Black players in concussion settlements exemplifies American football's immersion in the legacy of slavery By Tracie Canada,Chelsey R. Carter

Policy & Ethics Research on Asian Americans and Pacific Islanders Is Being Stifled Funders and peer reviewers are contributing to systemic racism through their biases about members of these populations By Amy Yee

Behavior & Society What Fighting COVID and Fighting Drug Addiction Have in Common In both cases, harm reduction is a better strategy than draconian rules that feel virtuous but don't actually work By Maia Szalavitz

The Body Your Brain Does Something Amazing between Bouts of Intense Learning New research shows that lightning-quick neural rehearsal can supercharge learning and memory. By Karen Hopkin | 04:02

Public Health America's Long-Term Care System Is Broken It's time to invest more in home-based care and nursing homes, increase workers' pay and improve oversight By THE EDITORS

Behavior & Society 'Ambiguous Loss' from Miami-Area Condo Collapse Makes Grieving Harder In a Q&A, loss expert Pauline Boss talks about coping with extreme uncertainty in the wake of a disaster By Katherine Harmon Courage

Computing How Does a Quantum Computer Work? If you understand how these systems operate, then you understand why they could change everything. By Michael Tabb,Andrea Gawrylewski,Jeffery DelViscio

FROM THE STORE Scientific American Health & Medicine, Volume 3, Issue 4

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FROM THE ARCHIVE Hubble Captures the Crab is the spectacular remnant of a star's supernova explosion that astronomers recorded in the year 1054. By NASA, ESA, J. HESTER AND A. LOLL Arizona State University | December 2005

QUOTE OF THE DAY "These events are extreme and almost beyond imagination from any point of view." Felix Aharonian, professor at the Dublin Institute for Advanced Studies

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