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Health

Of the 14 athletes studied in this research, ten competed in ultramarathons and ran up to about 7,000 miles over the course of the year.

How Far Is Too Far for Ultra-Endurance Athletes? This Study of Metabolism Found Out

Individual athletes ran an average of 4,000 miles over a year to help define the human body’s limit for energy expenditure

Participants received retinal implants that restored some of their vision. 

Electronic Eye Implant Restored Vision in Patients With Age-Related Macular Degeneration

The device could be a boon for millions with vision loss from advancing age

Postpartum depression affects some one in eight women in the United States. It typically occurs in the first weeks after childbirth, after a sudden drop in levels of estrogen and progesterone.

A Blood Test Can Now Predict a Mother’s Risk of Postpartum Depression

Scientists are learning more about this leading complication of childbirth, and treatments are improving

Hematoids can shed light on blood formation during early human development.

Researchers Created Structures That Produced Blood Cells in the Lab—With a Process That Mimics Real Human Embryos

The advance could carry significant implications for studying blood diseases and early human development

A male and female olive baboon

Research Sheds Light on Why Women Live Longer Than Men—and Why This Pattern Will Likely Continue

Scientists studied hundreds of mammal and bird species to shed light on sex-based lifespan differences

Two new studies are shedding more light on the behavior and lifespans of naked mole rats.

Scientists Explore the Mysterious Lives and Longevity Superpowers of Naked Mole Rats

The nearly hairless rodents are extremely resistant to cancer—and can live to be 37 years old

A gold mining operation in Peru

Study Finds High Levels of Mercury in Hair Samples From Indigenous Women in Peru and Nicaragua

Small-scale gold mining in the area releases mercury into the environment, where it can make its way into fish and, in turn, humans

The liver came from a genetically modified cloned pig with ten gene edits.

Surgeons in China Perform First Pig Liver Transplant in Human Patient

The patient lived with part of a pig liver for 38 days before surgeons removed it, surviving 171 total days after the procedure

Scientists converted a Type A kidney to a Type O kidney, then transplanted it into a brain-dead patient.

New Research

Scientists Converted a Kidney’s Blood Type, Then Implanted It Into a Brain-Dead Patient for the First Time

This area of research is still in the early stages, but it could someday help reduce wait times for patients needing kidney transplants

Nobel Committee Secretary-General Thomas Perlmann addresses journalists during an October 6 press conference announcing the 2025 Nobel Prize in Physiology or Medicine in Stockholm, Sweden.

Trio of Researchers Awarded Nobel Prize for Groundbreaking Discovery of Immune Cells That Prevent Autoimmune Disease

Mary Brunkow, Fred Ramsdell and Shimon Sakaguchi’s research revealed a new class of cells shaking up scientists’ understanding of the human immune system

People with a rare form of epilepsy have reported feelings of bliss just before having a seizure. A French Swiss neurologist has pinned down where this “aura” originates in the brain in hopes that one day, that feeling might be reproduced non-invasively in others.

Some People Experience Blissful Ecstasy Right Before a Seizure. Could Understanding This Feeling Help Treat Depression?

A neurologist shares her thoughts and research about “ecstatic epilepsy” in a wide-ranging conversation on how we perceive the world—and create the world we perceive

 Maria Branyas Morera on her 117th birthday

Scientists Studied the Genes of a Woman Who Lived 117 Years. Here’s What They Learned

Maria Branyas Morera, formerly the world’s oldest person, allowed researchers to take a detailed look at her biology before she died last year

A sea lamprey shows off its nightmarish mouth.

This Invasive Vampire Fish Is Helping Researchers Understand the Human Nervous System in Jaw-Dropping Ways

The sea lamprey looks like it’s from another planet, but this ancient creature has a surprising amount in common with humans

The annual average concentration of PM 2.5 expected in 2050. 

New Research

Wildfire Smoke Will Likely Kill Thousands More Americans Each Year

A new analysis finds that 30,000 more Americans are expected to die from wildfire-smoke exposure annually by 2050

A healthy volunteer takes the Fastball test in his home alongside lead researcher George Stothart.

Three-Minute Take-Home Test May Identify Symptoms Linked to Alzheimer’s Disease Years Before a Traditional Diagnosis

Researchers say the experimental tool has huge implications for public health, especially in conjunction with Alzheimer’s drugs that are most effective in the disease’s early stages

An illustration of the ultrasound helmet

New Helmet-Shaped Device Could One Day Treat Conditions Such as Parkinson’s Without Invasive Surgery, Scientists Suggest

In a first-of-its-kind achievement, researchers non-invasively and precisely directed ultrasound beams to target a location deep within the brain

“Brain rot” was the Oxford Word of the Year 2024.

Can You Really ‘Rot’ Your Brain by Scrolling Too Much on Your Smartphone?

While that message has been spread on social media, researchers are just beginning to understand how the devices affect the mind

The vaccine can be administered to koalas in a single dose.

A New Vaccine Could Help Save Australia’s Beloved Koalas From Chlamydia, and It Just Got Approved

The disease causes blindness, infertility, severe urinary tract infections and death in the iconic, furry marsupials, which are also threatened by habitat loss

Scientists are eager to figure out why lead doesn't seem to affect brown anoles.

These Lizards Have So Much Lead in Their Blood, They Should Be Dead. Instead, They’re Thriving

Brown anoles around New Orleans have the highest blood concentrations of lead ever recorded in vertebrates—and scientists aren’t sure why they can survive it

The 102-year-old climber was assisted by his 70-year-old daughter on the journey.

This 102-Year-Old Man Just Became the Oldest Person on Record to Summit Japan’s Mount Fuji

Kokichi Akuzawa is an experienced climber who trained for his journey up the mountain by walking for one hour every morning

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