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New U.S. dietary guidelines emphasize protein, whole foods, and flexibility
Earlier this month, the U.S. government released new dietary guidelines. These guidelines now place more focus on protein (including red meat), allow full-fat dairy,...
Mixing exercise types may increase your longevity most
Staying physically active is important for good health, but a new study published in BMJ Medicine suggests that doing a mix of different types...
Your body’s defense system—not the cold virus—may decide how sick you get
A new study has found that when we catch a cold, it's not just the virus that matters—it's how our body responds to it....
New treatment may replace surgery for some breast cancer patients
For many women with early breast cancer, surgery such as mastectomy or lumpectomy can be life-saving.
However, it can also be life-changing in ways that...
How tiny Mars helps set Earth’s ice ages
Mars is only about half the size of Earth and has just one-tenth of our planet’s mass.
Compared with giants like Jupiter, it seems far...
This new off-grid filter could capture nanoplastics smaller than 50 nanometers
Tiny plastic particles are turning up almost everywhere, including in drinking water.
Now, researchers in South Korea have developed a new filtration technology that can...
A one-atom-thick fix could finally unlock diamond electronics
Diamonds are famous for their beauty, but their real superpower may lie in electronics.
Beyond sparkle, diamond is one of the toughest and most efficient...
Why Tiger Shark bites peak in Hawaiʻi each October
For years, surfers and ocean-goers in Hawaiʻi have talked about “Sharktober,” a time when shark encounters seem more common.
Now, scientists say the pattern is...
When a black hole ate a super-sized star: Inside the violent “whippet” explosion
Astronomers have witnessed an extraordinary cosmic catastrophe: a black hole tearing apart a massive star and devouring it piece by piece.
The dramatic event, nicknamed...
Can your diet help prevent stomach cancer?
Can the foods you eat really help prevent stomach cancer? According to Dr. Sharon Shiraga, a surgeon who treats stomach diseases at Keck Medicine...
Just two days of oatmeal can reduce cholesterol level
A short-term diet centered around oats may be more powerful than expected when it comes to lowering cholesterol.
A recent study from the University of...
Surgery beats drugs for type 2 diabetes and weight loss
A new study shows that for adults with type 2 diabetes, surgery is more effective than medication and lifestyle changes for reducing blood sugar...
Shingles vaccine may slow aging in older people, study finds
Getting vaccinated against shingles may do more than just protect older adults from a painful skin condition. A new study from the USC Leonard...
Iron supplement could help fight a dangerous muscle disease
A recent study from Kumamoto University in Japan has found that iron supplements could help reduce muscle damage and improve muscle strength in a...
Your gut microbiome may predict your Alzheimer’s risk
A major new review has found growing evidence that problems in the gut may be linked to memory loss and brain diseases like Alzheimer’s.
The...
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The rise of fish began with a mass extinction, fossils reveal
About 445 million years ago, life on Earth nearly collapsed. In a relatively short geological moment, Earth’s climate flipped dramatically.
Massive glaciers spread across the...
How ‘red geyser’ galaxies stay silent for billions of years
Some of the universe’s largest galaxies have gone strangely quiet.
They stopped forming new stars billions of years ago and have remained dormant ever since—even...
Whale hunting in south America began 5,000 years ago—far earlier than we thought
The history of whale hunting is much older—and more global—than researchers once believed.
A new study shows that Indigenous communities living along the southern coast...
Dark stars could be the missing link in the universe’s earliest mysteries
A new study suggests that a strange and long-theorized type of object called a dark star could help explain several major mysteries uncovered by...
This gel-like material could boost battery life and prevent fires
Scientists at the Oak Ridge National Laboratory have developed a new kind of energy storage material that could make future batteries safer, more durable,...