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'Some of them have accuracy that's close to zero': Experts unpack the promise and pitfalls of genetic tests aimed at consumers Live Science spoke with a bioethicist and sociologist about emerging genomic technologies, including those that enable parents to "score" and "select" IVF embryos.
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A tan woman wearing sunglasses with long hair applies a dot of sunscreen to a young tan boy who scrunches up his face in response. A beach with toys is blurred but visible in the background.
Mineral sunscreen leaves an annoying white cast on skin — this new formula could change that Scientists have developed a new approach to formulating mineral sunscreen that could prevent it from leaving a white cast on the skin.
An illustration of a 3D transparent blue human body with red lines showing the nerves in the head and neck, with a blue human brain behind them
Sleep deprivation harms the gut via the vagus nerve, early study reveals New research reveals that sleep deprivation sends aberrant signals through the vagus nerve, triggering a serotonin surge that can kill gut stem cells.

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A top down shot of a pregnant person wearing a blue shirt and black pants sitting cross-legged on a blue bed, holding an ultrasound in front of them.

Woman born without a vagina or cervix went on to conceive a son naturally

By Lauren Schneider published

A woman's rare condition made it unlikely for her to conceive without reproductive assistance, but in her case, she eventually bore a child without fertility treatment.

Reproductive Health
a close-up picture of our reviewer's real-time running stats in his Garmin Fenix 8

Best running watches 2026: Premium picks and budget buys

By Lloyd Coombes last updated

BUYING GUIDE These are the best running watches in every category, from Garmin Fenix 8 to Apple Watch Series 8 and Coros Pace 2.

BUYING GUIDE
A woman wearing a blue tank top and jeans with long dark hair holds the arm of an older tan man wearing a gray shirt and a baseball cap as they walk down the street, their backs to the camera

Single protein could dramatically alter trajectory of Alzheimer's disease

By RJ Mackenzie published

In people destined to get Alzheimer's in their mid-40s, one protein can delay the onset of the disease by about 20 years.

Alzheimers & Dementia
Our expert reviewer testing the map feature on the Garmin Fenix 8 smartwatch

Best Garmin watches 2026: From fitness bands to adventure smartwatches

By Andrew Williams, Anna Gora last updated

Buying Guide These are the best Garmin watches you can buy in every category, from Fenix 8 and Forerunner 965 to Venu 4.

Buying Guide
A cartoon image of a brain with waves across the front of it.

In people with epilepsy, sleeping after a seizure may trigger more seizures

By Kamal Nahas published

Epileptic seizures alter sleep by prolonging the stage that's central to memory formation, potentially predisposing the brain to "remember" how to trigger subsequent seizures more easily, a small human study suggests.

Sleep
An illustration of a human body, with the outer layers transparent and the esophagus a bright red.

Making a 'digital twin' of yourself could revolutionize future surgeries, making medical procedures much more personal

By Tia Ghose published

INTERVIEW Live Science spoke with Dr. John Pandolfino, a researcher who designed a "digital twin" to help guide surgery.

INTERVIEW

'It could revolutionize, completely, the way we treat depression': Researchers are exploring promising immune therapy for treating psychiatric symptoms

By Nicoletta Lanese published

INTERVIEW Live Science spoke with the scientists behind an upcoming clinical trial testing an immune therapy for depression.

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INTERVIEW
An illustration of bacteria in the gut

Could gut microbes hold the secret to aging well? A researcher unpacks the emerging science

By Bill Sullivan published

A researcher dives into the latest research on how the health of the gut microbiome can influence the aging process.

Aging
A child wearing a gray shirt and patterned green pants curls up on a bed with his mother, a blond woman with long straight hair, caressing his head

Groundbreaking new drug shows promise for treating children with a devastating form of epilepsy

By Eva Amsen published

An experimental treatment reduces seizures and other symptoms in children with a type of epilepsy called Dravet syndrome.

Health
The Saucony Ride 15 running shoes being tested during our full review

Best running shoes for supination 2026: Find the perfect fit for your feet

By Harry Bullmore, Kate Carter last updated

Buyers guide These are the best running shoes you can buy in every category, from New Balance 1080 v14 and Asics Megablast to Hoka Mach X.

Buyers guide
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