What Is Spacetime Really Made Of?

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January 19, 2022

Quantum Physics What Is Spacetime Really Made Of? Spacetime may emerge from a more fundamental reality. Figuring out how could unlock the most urgent goal in physics—a quantum theory of gravity By Adam Becker

Natural Disasters Tonga Volcano Eruption Created Puzzling Ripples in Earth's Atmosphere Powerful waves ringing through the atmosphere after the eruption of Hunga Tonga–Hunga Haʻapai are unlike anything seen before By David Adam,Nature magazine

Public Health Latest COVID Surge Pushes Parents to Next-Level Stress The new normal this winter is longer drives for kids’ tests, multiday waits for results, drug-store restock alerts and social media tips By Melinda Wenner Moyer

Mental Health COVID Threatens to Bring a Wave of Hikikomori to America We should work to protect others from falling into long-term social withdrawal By Carol W. Berman,Xi Chen

Climate Change New York's Central Park Becomes a Living Climate Laboratory Scientists will study how rising temperatures affect trees, plants, wildlife and humans who use the park By Daniel Cusick,E&E News

Vaccines COVID Quickly, Episode 21: Colds Build COVID Immunity, and the Omicron Vaccine Delay Today we bring you a new episode in our podcast series COVID, Quickly. Every two weeks, Scientific American’s senior health editors Tanya Lewis and Josh Fischman catch you up on the essential developments in the pandemic: from vaccines to new variants and everything in between. You can listen to all past episodes here. By Josh Fischman,Jeffery DelViscio | 07:14

Psychology Borderline Personality Disorder May Be Rooted in Trauma A focus on the traumatic origins of an often stigmatized psychiatric diagnosis is inspiring new treatments By Diana Kwon

Electronics 5G Devices Are about to Change Your Life It will make 4G phones seem positively quaint By David Pogue

Natural Disasters Why the Tonga Eruption Was So Violent, and What to Expect Next Research into earlier eruptions suggests this is the type of massive explosion the volcano sees about every thousand years By Shane Cronin,The Conversation US

Public Health Sounds of Mosquitoes' Mating Rituals Could Help Fight Malaria “Wing beats” can help identify targets for control programs By Joerg T Albert,Alex Alampounti,Marcos Georgiades,The Conversation US

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FROM THE ARCHIVE Tangled Up in Spacetime The collaborative project “It from Qubit” is investigating whether space and time sprang from the quantum entanglement of tiny bits of information By Clara Moskowitz | January 2017

QUOTE OF THE DAY "We have a lot of hints from physics that spacetime as we understand it isn't the fundamental thing." Natalie Paquette, theoretical physicist at the University of Washington

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