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Alone During a Heart Attack? Do This First
A heart attack can happen without warning, and being alone can make the situation especially frightening. Knowing what to do before an emergency happens...
Do People With Dementia Really Know They Have It?
Dementia changes much more than memory. It can affect thinking, language, judgment, emotions and the ability to manage everyday tasks, and over time it...
A Blood Pressure Drug May Affect Bowel Health
High blood pressure is one of the most important preventable causes of heart disease and stroke.
It happens when blood pushes against the walls of...
More Cancer Risk Does Not Always Mean More Treatment Benefit
After prostate cancer surgery, doctors often face a difficult decision. If tests suggest that cancer may return, should radiation treatment be used alone, or...
Sitting Less Could Make a Difference to Cancer Risk
Finding time for exercise can feel difficult, but new research suggests that cancer prevention may not depend only on long workouts.
Simply shifting a small...
A Hidden Brain Change May Begin at 50
For decades, scientists have known that age is the strongest risk factor for Alzheimer's disease, yet age itself does not explain why the brain...
One Autism Diagnosis, Vastly Different Lives
A child who cannot speak and needs round-the-clock care may receive the same broad diagnosis as an adult with a successful career who only...
Low Arginine May Help Cancer Hide from Immunity
A common nutrient found in protein-rich foods may play a bigger role in immune defense than scientists realized.
Researchers at The Rockefeller University have found...
This Graphene-Powered Soft Len Could Bring Autofocus to Smart Glasses and Medical Devices
Our eyes can switch focus almost instantly, moving from words on a page to something across the room without us even thinking about it.
Recreating...
Solar Panel Waste Could Become a $1 Trillion Recycling Opportunity
The global boom in solar power is helping countries move toward cleaner energy, but it is also creating a growing waste problem.
New research suggests...
New Recycling Method Recovers Nearly 100% of Silver from Old Solar Panels
Old solar panels could become a valuable source of silver instead of ending up in landfill.
Australian researchers have successfully tested a recycling process that...
Scientists Build a Simple Robot That Can Move Beyond Human Hand Limits
The human hand is remarkably good at handling objects, from picking up a tiny needle to twisting a bottle cap.
Engineers have spent years trying...
Astronomers Discover a Stellar Stream Beyond the Milky Way for the First Time
Astronomers have discovered a faint stream of stars in another galaxy for the first time, opening a new way to investigate one of the...
Your Eyes, Brain and Sweat Could Reveal Clues About Depression
A mental health assessment usually begins with words.
A doctor or therapist asks how a person has been feeling, how long symptoms have lasted and...
Can Older People Safely Stop Cholesterol Drugs?
Statins are among the most widely prescribed medicines for preventing heart attacks and strokes.
But for people in their late 70s and beyond who have...
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New Low-Power AI Chip Could Identify Drones While Using 88% Less Energy
Researchers have developed a low-power artificial intelligence system that can identify drones while using dramatically less electricity than conventional computer-based systems.
The technology could make...
Small Dinosaur Fossil Reveals a More Diverse Prehistoric Coast in Japan
A small dinosaur bone discovered in Fukushima Prefecture more than 25 years ago is giving scientists new clues about the variety of plant-eating dinosaurs...
This Black Silicon Catalyst Could Help Turn CO2 From Waste into Fuel
Carbon dioxide is best known as a greenhouse gas that contributes to climate change, but scientists are increasingly exploring ways to turn it into...
Trillion-Mile Gas Stream May Explain a Bizarre Triple-Star System
Astronomers have discovered an enormous stream of gas flowing toward a young system of three stars, potentially explaining why its planet-forming disks are strangely...
20 Years of Watching a Blazar Reveals Something Stranger Than Expected
After nearly two decades of observations, astronomers have discovered that a distant blazar behaves in ways that leading theories struggle to explain.
Instead of solving...