Why the Tonga Eruption Was So Violent, and What to Expect Next

Sponsored by

    

January 21, 2022

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

Particle Physics In a First, an 'Atomic Fountain' Has Measured the Curvature of Spacetime The atom interferometry technique uses the effects of time dilation to reveal subtle changes in gravity’s strength By Rahul Rao,SPACE.com

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

Sponsor Content Provided by Yale University Press HOW SOIL COULD HELP SAVE THE PLANET “Jo Handelsman is a national treasure, and her clarion call warning of a looming soil-loss catastrophe must be heard. Add her clearly written alarm to other future-shocks: climate change, pandemics, and mass extinctions.”—Laurie Garrett, Pulitzer Prize winner and author of The Coming Plague

Defense Hypersonic Weapons Can't Hide from New Eyes in Space Tracking the missiles is like picking out one light bulb against a background of light bulbs, but new technology aims to see them more clearly By Jason Sherman

Vaccines What's Holding Up New Omicron Vaccines? Vaccine makers worry yet another variant will start dominating in the months it takes to roll out shots against this one By Charles Schmidt

Health Care Pig Kidneys Transplanted to Human in Milestone Experiment Experts predict that such nonhuman-to-human “xenotransplants” may become a viable option within the next decade By Joanna Thompson

Psychology How Targeted Advertising on Social Media Drives People to Extremes People seeking to radicalize others are using ads to push conspiracy theories and extremist views By Jeanna Matthews,The Conversation US

Ecology Plants are Stuck as Seed-Eating Animals Decline Their ability to track climate change is being squeezed on all sides By Andrea Thompson

Renewable Energy Solar Power Could Boom in 2022, Depending on Supply Chains Shipping delays and rising a equipment costs could hamper installations By Benjamin Storrow,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

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

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

FROM THE STORE Scientific American Health & Medicine, Volume 4, Issue 1

ADVERTISEMENT

BRING SCIENCE HOME Phone Book Friction Can you pull apart two small books? The answer might surprise you! Learn how friction can multiply as you stack on the pages. It might just keep you tugging! Credit: George Retseck Sometimes friction can be annoying. It can make it difficult to push heavy things like furniture and it can even give you a nasty scrape if you fall. But friction is actually very important—without it, you could not move around at all, or even pick things up! Try this project to find out how friction can lead to some surprising effects—such as making it almost impossible to pull two books apart.

LATEST ISSUES

Questions?   Comments?

Download the Scientific American App

To view this email as a web page, go here. You received this email because you opted-in to receive email from Scientific American. To ensure delivery please add news@email.scientificamerican.com to your address book. Unsubscribe     Manage Email Preferences     Privacy Policy     Contact Us