Could Gravity's Quantum Origins Explain Dark Energy?

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October 28, 2021

Dark Energy Could Gravity's Quantum Origins Explain Dark Energy? A potentially transformative theoretical study links a new model of quantum gravity with the universe's bizarrely accelerating rate of expansion By Conor Purcell

Water Muddier Rivers Are Jeopardizing Dams and Water Quality for Millions Climate change is flushing more sediment into the rivers that pour out of Asia's high mountains By Nikk Ogasa

Reproduction Hundreds of Scientists Weigh in on a High-Stakes U.S. Abortion Case Studies suggest that a reversal of the landmark Roe v. Wade decision would be detrimental for many By Amy Maxmen,Nature magazine

Climate Change Will America Act to Address the Climate Crisis? The eyes of the world will be upon the U.S. at the Glasgow climate summit By Sweta Chakraborty

Climate Change IPCC, You've Made Your Point: Humans Are a Primary Cause of Climate Change It's time to redirect your major focus to how we deal with the problem By Naomi Oreskes

Animals For Some Parents, Hiding a Dead Body Shows How Much You Care In beetles—we are talking beetles—some of whom have learned, over millions of years of evolution, to dampen the stench of decay in order to help their young thrive. By Emily Schwing | 06:44

Planetary Science Jupiter's Great Red Spot Is Surprisingly Deep NASA's Juno spacecraft peered underneath the gas giant's dense clouds to determine the structure of its iconic spinning storm By Katrina Miller

Pharmaceuticals Advil, Tylenol and Similar Painkillers Used to Replace Opioids Carry Risks Over-the-counter analgesics can be quite effective, but high doses have downsides By Claudia Wallis

Climate Change The Infrastructure Bill Is Desperately Needed, Engineers Say One of the experts who grades U.S. utilities every four years explains what needs to be fixed By Sophie Bushwick

Artificial Intelligence AI Generates Hypotheses Human Scientists Have Not Thought Of Machine-learning algorithms can guide humans toward new experiments and theories By Robin Blades

Computing Should Big Tech's Plan for a Metaverse Scare Us? Tech companies seek to create far more immersive digital environments, possibly mediated by brain implants By John Horgan

Policy New State Laws Harm Public Health by Putting Politicians in Charge of Medicine A crop of bad bills hobbles health agencies and makes it harder to stop disease By The Editors

Culture Heavy Metal Science Songs: A Spotify Playlist for Halloween Scientific American has curated a flesh-ripping, bone-crunching two hours of metal tracks inspired by science By Ryan Reid

FROM THE STORE Quantum Universe Strange and probabilistic, physics at the smallest scales is driving innovation and research into the nature of reality. In this eBook, we examine the latest mind-bending studies in quantum mechanics, including theoretical mysteries such as entanglement, real-world applications, innovations in communications and computing and more.

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FROM THE ARCHIVE Entangled Wormholes Could Pave the Way for Quantum Gravity The weird quantum phenomenon of entanglement could produce shortcuts between distant black holes By Juan Maldacena | November 2016

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