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Doughnut-shaped swirls of laser light can be used to transmit images

Ultra-fast pulses of laser light can be shaped into vortices similar to smoke rings – when chained together, they can carry enough information to transmit a simple image




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Quantum to cosmos: Why scale is vital to our understanding of reality

From the vastness of the universe to the infinitesimal particles that comprise it, extremes of scale defy comprehension – and present a problem for physicists seeking a unified theory of everything




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We may finally know what caused the biggest cosmic explosion ever seen

The gamma ray burst known as GRB221009A is the biggest explosion astronomers have ever glimpsed and we might finally know what caused the blast




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How the most precise clock ever could change our view of the cosmos

Forget atomic clocks. Nuclear clocks, which only drop a second every 300 billion years, can test whether nature's fundamental constants are constant after all




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We physicists could learn a lot by stepping beyond our specialisms

A recent atomic physics workshop was outside my dark matter comfort zone, but learning about science beyond my usual boundaries was invigorating, says Chanda Prescod-Weinstein




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Tiniest 'ruler' ever measures distances as small as an atom's width

A new technique uses glowing molecules, laser light and microscopes to measure distances as minuscule as 0.1 nanometres – the width of a typical atom




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There may be a cosmic speed limit on how fast anything can grow

Alan Turing's theories about computation seem to have a startling consequence, placing hard limits on how fast or slow any physical process in the universe can grow




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Shiveluch volcano eruption in Russia smothers nearby villages in ash

The eruption of the Shiveluch volcano on the Kamchatka Peninsula in Russia on 11 April sent plumes of volcanic ash many kilometres into the air and could affect flights




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Why criticisms of the proposed Anthropocene epoch miss the point

A proposal to define the Anthropocene as a geological epoch was rejected this March, but humanity's impact on Earth is real, whether formalised or not, says Jan Zalasiewicz




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Is North America set for another bad wildfire smoke season?

Smoke from wildfires burning in Canada and Mexico is already worsening air quality in the US, but some signs suggest clearer skies than last year




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There may be a cosmic speed limit on how fast anything can grow

Alan Turing's theories about computation seem to have a startling consequence, placing hard limits on how fast or slow any physical process in the universe can grow




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World's largest tree is also among the oldest living organisms

DNA analysis suggests Pando, a quaking aspen in Utah with thousands of stems connected by their roots, is between 16,000 and 81,000 years old




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Vampire bats run on a treadmill to reveal their strange metabolism

Experiments where vampire bats were made to run on a treadmill have revealed how they extract energy from protein in their latest blood meal




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Is it time for a more subtle view on the ultimate taboo: cannibalism?

New archaeological evidence shows that ancient humans ate each other surprisingly often - sometimes for compassionate reasons. The finds give us an opportunity to reassess our views on the practice




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Hobbit hominins from Indonesia may have had even smaller ancestors

An arm bone from an ancient human that lived 700,000 years ago on the island of Flores is the smallest ever found from an adult hominin, adding a new piece to the puzzle of Homo floresiensis




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What Happens to Metabolism in Fasting?

Title: What Happens to Metabolism in Fasting?
Category: Health and Living
Created: 8/26/2022 12:00:00 AM
Last Editorial Review: 8/26/2022 12:00:00 AM




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Smokers More Likely to Bleed After Throat Surgery

Title: Smokers More Likely to Bleed After Throat Surgery
Category: Health News
Created: 8/23/2008 2:00:00 AM
Last Editorial Review: 8/25/2008 12:00:00 AM




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Adding a Stent May Help Resolve Brain Aneurysm

Title: Adding a Stent May Help Resolve Brain Aneurysm
Category: Health News
Created: 8/25/2009 12:10:00 PM
Last Editorial Review: 8/26/2009 12:00:00 AM




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Even Low Tobacco Smoke Exposure Is Risky

Title: Even Low Tobacco Smoke Exposure Is Risky
Category: Health News
Created: 8/23/2010 10:41:00 AM
Last Editorial Review: 8/23/2010 10:41:13 AM




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Scientists Dismayed by Stem Cell Research Ruling

Title: Scientists Dismayed by Stem Cell Research Ruling
Category: Health News
Created: 8/24/2010 2:10:00 PM
Last Editorial Review: 8/25/2010 12:00:00 AM




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Little Evidence on Value of Treatments for Autism: Report

Title: Little Evidence on Value of Treatments for Autism: Report
Category: Health News
Created: 8/28/2012 10:05:00 AM
Last Editorial Review: 8/28/2012 12:00:00 AM




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Teen Smokers Show Early Signs of Heart Disease

Title: Teen Smokers Show Early Signs of Heart Disease
Category: Health News
Created: 8/29/2012 11:00:00 AM
Last Editorial Review: 8/29/2012 12:00:00 AM




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Brain Bleeds More Common in Smokers, Research Shows

Title: Brain Bleeds More Common in Smokers, Research Shows
Category: Health News
Created: 8/30/2012 10:05:00 AM
Last Editorial Review: 8/30/2012 12:00:00 AM




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Kids Benefit From Doctors' Antismoking Counseling: Experts

Title: Kids Benefit From Doctors' Antismoking Counseling: Experts
Category: Health News
Created: 8/26/2013 9:35:00 AM
Last Editorial Review: 8/26/2013 12:00:00 AM




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A Mother's Hopes and Worries for Adult Sons With Autism

Title: A Mother's Hopes and Worries for Adult Sons With Autism
Category: Health News
Created: 8/23/2013 12:35:00 PM
Last Editorial Review: 8/26/2013 12:00:00 AM




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Who Will Care for Children With Autism When They're Adults?

Title: Who Will Care for Children With Autism When They're Adults?
Category: Health News
Created: 8/23/2013 12:35:00 PM
Last Editorial Review: 8/26/2013 12:00:00 AM




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What Is 'Play' to a Child With Autism?

Title: What Is 'Play' to a Child With Autism?
Category: Health News
Created: 8/27/2013 9:35:00 AM
Last Editorial Review: 8/27/2013 12:00:00 AM




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More Links Seen Between Autism, ADHD

Title: More Links Seen Between Autism, ADHD
Category: Health News
Created: 8/26/2013 12:36:00 PM
Last Editorial Review: 8/27/2013 12:00:00 AM




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Smokers and the Affordable Care Act: Q&A

Title: Smokers and the Affordable Care Act: Q&A
Category: Health News
Created: 8/28/2013 11:00:00 AM
Last Editorial Review: 8/28/2013 12:00:00 AM




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New Clues to Causes of Autism Found

Title: New Clues to Causes of Autism Found
Category: Health News
Created: 8/29/2013 9:35:00 AM
Last Editorial Review: 8/29/2013 12:00:00 AM




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Cosmetic Eye Procedure May Ease Migraines, Small Study Says

Title: Cosmetic Eye Procedure May Ease Migraines, Small Study Says
Category: Health News
Created: 8/22/2014 12:36:00 PM
Last Editorial Review: 8/25/2014 12:00:00 AM




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Number of Young Non-Smokers Who Tried E-Cigs Tripled in 2 Years

Title: Number of Young Non-Smokers Who Tried E-Cigs Tripled in 2 Years
Category: Health News
Created: 8/25/2014 2:36:00 PM
Last Editorial Review: 8/26/2014 12:00:00 AM




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Pot Belly Linked to Heavy Smoking

Title: Pot Belly Linked to Heavy Smoking
Category: Health News
Created: 8/22/2015 12:00:00 AM
Last Editorial Review: 8/24/2015 12:00:00 AM




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Antiviral Drug May Prevent Ebola, Small Study Suggests

Title: Antiviral Drug May Prevent Ebola, Small Study Suggests
Category: Health News
Created: 8/25/2015 12:00:00 AM
Last Editorial Review: 8/26/2015 12:00:00 AM




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After Heart Attack, Quitting Smoking Boosts Mental Health, Quality of Life

Title: After Heart Attack, Quitting Smoking Boosts Mental Health, Quality of Life
Category: Health News
Created: 8/25/2015 12:00:00 AM
Last Editorial Review: 8/26/2015 12:00:00 AM




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Climate Change May Prolong Smog Season in Southeast U.S.

Title: Climate Change May Prolong Smog Season in Southeast U.S.
Category: Health News
Created: 8/23/2016 12:00:00 AM
Last Editorial Review: 8/23/2016 12:00:00 AM




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Banned PCB Chemicals Still Tied to Autism in U.S. Kids

Title: Banned PCB Chemicals Still Tied to Autism in U.S. Kids
Category: Health News
Created: 8/23/2016 12:00:00 AM
Last Editorial Review: 8/23/2016 12:00:00 AM




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Diabetes Drug May Help Kids With Autism Fight Unwanted Pounds

Title: Diabetes Drug May Help Kids With Autism Fight Unwanted Pounds
Category: Health News
Created: 8/24/2016 12:00:00 AM
Last Editorial Review: 8/25/2016 12:00:00 AM




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Autism-Linked Genes Often Differ Between Siblings

Title: Autism-Linked Genes Often Differ Between Siblings
Category: Health News
Created: 8/25/2016 12:00:00 AM
Last Editorial Review: 8/26/2016 12:00:00 AM




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Smoking Linked to Frailty in Seniors

Title: Smoking Linked to Frailty in Seniors
Category: Health News
Created: 8/29/2017 12:00:00 AM
Last Editorial Review: 8/30/2017 12:00:00 AM




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Health Groups Demand 'R' Rating for Movies That Show Smoking

Title: Health Groups Demand 'R' Rating for Movies That Show Smoking
Category: Health News
Created: 8/29/2017 12:00:00 AM
Last Editorial Review: 8/30/2017 12:00:00 AM




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Play It Smart: Stay in School for a Healthier Heart

Title: Play It Smart: Stay in School for a Healthier Heart
Category: Health News
Created: 8/31/2017 12:00:00 AM
Last Editorial Review: 8/31/2017 12:00:00 AM




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E-Cigs May Help Smokers Quit, But...

Title: E-Cigs May Help Smokers Quit, But...
Category: Health News
Created: 8/31/2017 12:00:00 AM
Last Editorial Review: 9/1/2017 12:00:00 AM




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What You Need to Know About Autism Spectrum Disorder

Title: What You Need to Know About Autism Spectrum Disorder
Category: Health News
Created: 8/28/2018 12:00:00 AM
Last Editorial Review: 8/28/2018 12:00:00 AM




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Smoking, Drinking a Double Whammy for Teens' Arteries: Study

Title: Smoking, Drinking a Double Whammy for Teens' Arteries: Study
Category: Health News
Created: 8/29/2018 12:00:00 AM
Last Editorial Review: 8/29/2018 12:00:00 AM




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Wintertime Smog Tied to Rise in Heart Procedures

Title: Wintertime Smog Tied to Rise in Heart Procedures
Category: Health News
Created: 8/23/2019 12:00:00 AM
Last Editorial Review: 8/26/2019 12:00:00 AM




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Jumps in Pot Use, Depression and Drinking Threaten Gains Against Smoking

Title: Jumps in Pot Use, Depression and Drinking Threaten Gains Against Smoking
Category: Health News
Created: 8/28/2019 12:00:00 AM
Last Editorial Review: 8/29/2019 12:00:00 AM




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U.S. Opioid Deaths Take a Small Dip, as Fentanyl Leaves Deadly Mark

Title: U.S. Opioid Deaths Take a Small Dip, as Fentanyl Leaves Deadly Mark
Category: Health News
Created: 8/29/2019 12:00:00 AM
Last Editorial Review: 8/30/2019 12:00:00 AM




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Quit Smoking to Cut Risk of Death From A-Fib

Title: Quit Smoking to Cut Risk of Death From A-Fib
Category: Health News
Created: 8/25/2020 12:00:00 AM
Last Editorial Review: 8/25/2020 12:00:00 AM




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Scientists Challenge Key Survival Stat Cited by U.S. Officials in Plasma Approval

Title: Scientists Challenge Key Survival Stat Cited by U.S. Officials in Plasma Approval
Category: Health News
Created: 8/25/2020 12:00:00 AM
Last Editorial Review: 8/25/2020 12:00:00 AM