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an illustration of men and women with their brains superimposed over the heads
Is there really a difference between male and female brains? Emerging science is revealing the answer. Brain scans, postmortem dissections, artificial intelligence and lab mice reveal differences in the brain that are linked to sex. Do we know what they mean?
an edited photo of a white lab mouse against a pink and blue gradient background
'Let's just study males and keep it simple': How excluding female animals from research held neuroscience back, and could do so again Neuroscience research has only recently begun to prioritize the inclusion of both male and female lab animals in studies. Could we see that shift reverse?
A large group of people marches at the Stand Up For Science rally
Science at a crossroads: Dispatches from Friday's 'Stand Up for Science' rallies across the US Our science journalists reported on the Stand Up for Science rallies held in New York City and Raleigh, North Carolina.

Latest about Health

An illustration of the mid-section of a person's body (in blue) with the liver shown in orange. The background is black.

The rare genetic disorder that causes severe itchiness and liver failure

By Emily Cooke published

Patients with PFIC develop liver failure as a result of a buildup of a digestive fluid known as bile.

Genetics
A stock illustration of particles of HPV (in pink) amongst cells (in green)

CDC data reveal plummeting rate of cervical precancers in young US women — down by 80%

By Emily Cooke published

New CDC data on falling rates of precancerous cervical lesions in the U.S. underscore the benefits of HPV vaccination.

Cancer

Poisoning or bacterial meningitis could be behind dozens of mysterious deaths in the Democratic Republic of the Congo

By Patrick Pester published

A cluster of deaths linked to a mysterious illness in the Democratic Republic of the Congo could be the result of a poisoning or bacterial meningitis, the WHO has suggested.

Viruses, Infections & Disease

Diagnostic dilemma: Speed eating a 7-pound burger sent a man to ER unable to pass gas

By Mindy Weisberger published

A case report highlights one potential danger of competitive speed eating.

Health
A dog sleeping next to an air purifier

Best air purifiers for allergies 2025: Breathe easy this spring

By Molly Cleary, Anna Gora last updated

BUYING GUIDE These are the best air purifiers for allergies you can buy in every category, from Levoit Core 600S and Molekule Air Pro to RabbitAir A3.

BUYING GUIDE

Brain damage reported in 13% of kids who have died of flu this season, CDC finds

By Patrick Pester published

A CDC report has revealed that nine of 68 of children who died of flu this year had brain damage, but it's unclear whether this influenza-associated encephalopathy is on the rise.

Flu
Suri electric toothbrush being tested by our reviewer

SURI sustainable electric toothbrush review

By Anna Gora published

Can this eco-friendly toothbrush live up to the hype?

Health
A photo of a patient with their surgical team after surgery. The patient is sat on a hospital bed and the team is gathered around him.

New stem cell therapy could repair 'irreversible' and blinding eye damage, trial finds

By Emily Cooke published

A new therapy repairs corneal damage to a patient's eye using stem cells from their other, healthy eye.

Surgery

Gut bacteria imbalance linked to multiple sclerosis

By Ashutosh Mangalam published

Levels of two types of bacteria in your gut could help improve the diagnosis and treatment of multiple sclerosis.

Health
A woman checking her fitness watch

Best budget fitness trackers 2025: Cheap but mighty

By Maddy Biddulph, Anna Gora last updated

Buying Guide These are the best budget fitness trackers you can buy in every category, from Fitbit Inspire 3 and Xiaomi Smart Band 9 to Garmin Forerunner 165.

Buying Guide
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