The Universe Began with a Bang, Not a Bounce, New Studies Find

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May 26, 2023

Quantum Physics The Universe Began with a Bang, Not a Bounce, New Studies Find New research pokes holes in the idea that the cosmos expanded and then contracted before beginning again By James Riordon

Animals Why Has a Group of Orcas Suddenly Started Attacking Boats? Killer whales in a group near Spain and Portugal may be teaching one another to mess with small boats. They sank their third vessel earlier this month By Stephanie Pappas

Quantum Physics Quantum Theory's 'Measurement Problem' May Be a Poison Pill for Objective Reality Solving a notorious quantum quandary could require abandoning some of science’s most cherished assumptions about the physical world By Anil Ananthaswamy

Mathematics These Are the Most Bizarre Numbers in the Universe Most real numbers are unknown—even to mathematicians By Manon Bischoff

Sponsor Content Provided by University of Chicago The Genesis of World-Changing Ideas How have researchers from the University of Chicago helped shape and define fields of study? Join us for an engaging look at breakthroughs that changed everything – like black holes, the discovery of REM sleep, and the quantum internet.

Artificial Intelligence Why We're Worried about Generative AI From the technology upsetting jobs and causing intellectual property issues to models making up fake answers to questions, here’s why we’re concerned about generative AI. By Sophie Bushwick,Tulika Bose | 16:45

Astrophysics Gravitational-Wave Search Resumes after Three Years and Lots of Headaches Researchers still hope to discover hundreds of new binary black hole mergers despite technical setbacks that have sidelined key detectors in Italy and Japan By Daniel Garisto

Geology Yellowstone Supervolcano Eruptions Were Even More Explosive Than We Knew The last caldera-forming eruption at Yellowstone “was much more complex than previously thought,” according to the annual report about activity at the supervolcano By Hannah Osborne,LiveScience

Planetary Science A Meteorite Fell in Their Bedroom. Here's What Happened Next Earlier this month a meteorite crashed through the roof of a New Jersey home. The residents are still pondering the fate of their gift from the skies By Michael D. Lemonick

Climate Change U.S. Military Sees Growing Threat in Thawing Permafrost Deputy Secretary of Defense Kathleen Hicks visited Alaska this week to see how climate change is undermining infrastructure at Arctic military bases By Daniel Cusick,E&E News

Astronomy Astronomers Have Spotted a Once-in-a-Decade Supernova--and You Can, Too The death throes of a massive star in the galaxy M101, located just 21 million light-years away from Earth, are entrancing professional and amateur astronomers alike By Meghan Bartels

Computing People, Not Google's Algorithm, Create Their Own Partisan 'Bubbles' Online Politically polarized Google users are not steered to partisan sites by the search engine’s algorithm but generally decide to go there on their own By Joanna Thompson

Politics Anti-Trans Moral Panics Endanger All Young People Moral panics aimed against trans people are both attacks on that community and part of a broader strategy to control youth across the U.S. By Chris Pepin-Neff

FROM THE STORE Scientific American Volume 328, Issue 6

BRING SCIENCE HOME Human Body Ratios If you know your height, can you predict how big your arm span is? What about the length of your femur? Or the circumference of your head? Try this simple activity and find out how you knowing these simple ratios can even make you a better artist!  Credit: George Retseck Our bodies are amazing! They are full of mysteries and surprising facts such as this one: Did you know that you are about a centimeter taller in the morning, when you have just woken up after hours of lying down, than you are in the evening? You might never have noticed it. These interesting facts only reveal themselves when you look closely, measure and compare. That is what this activity is about: recording, comparing and discovering how the human body measures up!

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