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When humans disappeared, these birds evolved different beaks
When the COVID-19 pandemic shut down the UCLA campus, students weren’t the only ones affected.
A small brown bird called the dark-eyed junco also felt...
How ultra-processed foods are rapidly rewriting the evolution of gut bacteria
What we eat doesn’t just affect our bodies — it also shapes the evolution of the trillions of microbes living inside us.
A new study...
Why soybean oil may be fueling weight gain
Soybean oil is the most widely used cooking oil in the United States and a major ingredient in many processed foods.
Now, a new study...
New therapy can stop pancreatic cancer even after it spreads to liver and lungs
Pancreatic cancer is one of the deadliest cancers, largely because it is usually discovered only after it has spread to other organs.
For patients with...
New drug could help stop deadly fatty liver disease
Scientists from the University of California San Diego School of Medicine have found a new experimental drug that could help treat a serious liver...
How a stroke changes the way the brain processes speech
After a stroke, some people develop a language disorder that makes it difficult for them to understand spoken words.
This condition doesn’t affect their hearing,...
Poor sleep may raise high blood pressure in older women
A new study shows that sleep problems are closely linked to high blood pressure in postmenopausal women in the United States.
The research was published...
Why tooth loss may cause memory loss
Losing teeth in old age may do more than make eating difficult—it could also affect how the brain works. A new study from Hiroshima...
Cholesterol drug statins could lower death risk effectively in type 2 diabetes
A large study has found that cholesterol-lowering drugs called statins can help people with type 2 diabetes live longer and avoid major heart problems—even...
A new drug pair may help treat the deadliest blood cancer
Acute myeloid leukemia, often called AML, is one of the most aggressive blood cancers. Every year, more than 20,000 people in the United States...
Study finds a surprising cause of memory loss
Your brain has a special protective system called the blood-brain barrier. This barrier is made up of blood vessels that act like a security...
This heart drug may work better than aspirin
A new study has found that a group of heart medications called P2Y12 inhibitors may work better than aspirin in preventing heart attacks and...
A blood pressure pill that may help you live longer
A surprising discovery from researchers at the University of Liverpool shows that a common blood pressure drug called rilmenidine might do more than just...
Why brain injuries are killing more Americans than you think
Many people think of a head injury as something that happens in a car crash or during sports, but traumatic brain injuries—or TBIs—are much...
Scientists discover an unexpected cause of heart disease
Heart disease is one of the top causes of death in many Western countries. One of the most common forms of heart disease is...
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Astronomers find the first compelling evidence of monster stars in the early universe
One of the greatest mysteries the James Webb Space Telescope (JWST) was developed to investigate was the birth of supermassive black holes (SMBHs).
For more...
A year that mattered: Caltech’s scientific journey in 2025
Caltech is a place unlike any other, an Institute that is truly "small but mighty."
Its small size and the expertise of its community enable...
Why this vapor-deposited solar cell could transform renewable energy
Scientists in Singapore have made an important breakthrough that could help bring a new generation of ultra-efficient solar panels into everyday use.
Researchers at the...
Scientists develop real-world magnetic cloak to protect sensitive electronics
Engineers at the University of Leicester have developed a new concept for a “magnetic cloaking device” that could shield sensitive electronics from disruptive magnetic...
The Milky Way had a wild past, and Webb is finally revealing it
How did the Milky Way become the calm, spiral galaxy we see today?
New observations from the James Webb Space Telescope (JWST) suggest that our...