Is Our Universe a Hologram? Physicists Debate Famous Idea on Its 25th Anniversary

Sponsored by

Trouble viewing? View in your browser. View all Scientific American publications.

    

December 02, 2022

Astronomy Is Our Universe a Hologram? Physicists Debate Famous Idea on Its 25th Anniversary The Ads/CFT duality conjecture suggests our universe is a hologram, enabling significant discoveries in the 25 years since it was first proposed By Anil Ananthaswamy

Neurology Autism Treatment Shifts Away from 'Fixing' the Condition There are different ways to be happy and function well, even if your brain is not typical By Claudia Wallis

Geology Why Mauna Loa and Other Hawaiian Volcanoes Are Different from Most The magma that is fueling the first eruption of Hawaii's Mauna Loa volcano in nearly 40 years is less likely to cause explosive effusions than magma at other volcanoes By Gabi Laske,The Conversation US

Sponsor Content Provided by American Committee for the Weizmann Institute of Science This scientist's gut told him to look after yours. Prof. Eran Elinav, a pioneer of microbiome research at the Weizmann Institute of Science, is uncovering the role of the intestinal microbiome in diseases such as diabetes, ALS, and cancer. That takes guts – plus curiosity, dedication, and brilliance.

Aerospace Space Elevators Are Less Sci-Fi Than You Think I've been working on space elevators for almost 20 years, and though we still have issues to solve, we are getting closer to making them reality By Stephen Cohen

Engineering Outdoor Air-Conditioning Cools the World Cup. But Is It Sustainable? In an ever warming world, the health benefits of stadium air-conditioning may not outweigh the climate risks By Daniel Leonard

Animals Tardigrades, an Unlikely Sleeping Beauty Researchers put this ancient critter through a subzero gauntlet to learn more about what happens to their internal clock while surviving the extreme. By Ashleigh Papp | 05:49

Astronomy On December 7 the Moon Will Photobomb Mars Much of North America can witness a delightful astronomical event on the evening of December 7 as the moon blocks out Mars By Phil Plait

Mental Health Many People with Bipolar Disorder Use Cannabis. It May Sometimes Help Diminished risk-taking behaviors and other benefits may explain why many people with bipolar disorder keep consuming cannabis despite some dire downsides By Gary Stix

Politics Young Climate Voters Could Tilt Georgia's Runoff Election for Senate Voters under age 30 turned out for Raphael Warnock in the first race, suggesting he should lean even harder into climate policy By Scott Waldman,E&E News

Astronomy Satellite Constellations Could Harm the Environment, New Watchdog Report Says Elon Musk's Starlink and other satellite sources of light pollution and orbital debris should face an environmental review, the U.S. Government Accountability Office finds By Jonathan O'Callaghan

Anatomy One in 10 Who Menstruate Suffer from Endometriosis. Why Do We Know So Little about It? Compared with other diseases with similar economic burdens, research on endometriosis is severely underfunded, in large part because we don't talk about periods. By Meghan McDonough

Culture A Year of Wonder, Awe and Discovery By Andrea Gawrylewski

FROM THE STORE Special Editions Volume 31, Issue 6s

BRING SCIENCE HOME Puffing Up Marshmallows Did you know you can easily "inflate" marshmallows--without even touching them? With a little help from physics, you can make these sweet treats even puffier!  Credit: George Retseck If you have marshmallows left over from camping or just an at-home s'mores dessert, you can put them to work for a science exploration! Did you realize that this sticky, tasty treat is mostly air, trapped in a stretchy substance? Have you ever tried to expand a marshmallow without getting your hands all sticky? How did you do it? And how big did it get? In this activity you'll get to "blow up" some marshmallows—with air. You might not "see" a gas like air, but could it help puff up a marshmallow? Be ready to have some fun and be surprised!

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