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

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November 30, 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

Water 5 Billion People Will Face Water Shortages by 2050, U.N. Says The World Meteorological Organization warns that climate-related shortages in water resources could affect two thirds of the world's population by midcentury and will be felt unevenly By Daniel Cusick,E&E News

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

Sponsor Content Provided by Synairgen An antiviral effective against a wide range of infections could change the course of human health, but none yet exist. Join us with a scientist, physician and public health expert to discuss the promise and perils of pursuing a treatment that could stop viruses that cause influenza, RSV and COVID-19—and dangerous viruses yet to emerge.

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

Geology Mauna Loa, Earth's Largest Active Volcano, Just Woke Up after 38 Years Hawaii's Mauna Loa, the largest active volcano on Earth, erupted for the first time in nearly 40 years. Its eruptions tend to be shorter-lived than those of the other Big Island volcanoes, and its lava is more liquid and flows faster By Stephanie Pappas

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

Animals Dolphins Whistle Their Names with Complex, Expressive Patterns A new study quantifies how dolphins vary their "signature whistles" By Rebecca Dzombak

Animals 'Mind Control' Parasite Makes Wolves Effective Pack Leaders The parasite Toxoplasma gondii can change the behavior of infected wolves in ways that make them more likely to be pack leaders By Emma Marris,Nature magazine

Conservation China and Russia Continue to Block Protections for Antarctica For the sixth year in a row, nations failed to agree on any new marine protected areas in the fragile Southern Ocean around Antarctica By Chelsea Harvey,E&E News

FROM THE STORE Scientific American Volume 327, Issue 6

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