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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?
A close-up of a doctor loading a syringe with a dose of a vaccine
'Vaccine rejection is as old as vaccines themselves': Science historian Thomas Levenson on the history of germ theory and its deniers Live Science spoke with author Thomas Levenson about his new book on the history of germ theory.
An illustration of colorful lines converging to make the shape of a human iris and pupil
Scientists hijacked the human eye to get it to see a brand-new color. It's called 'olo.' Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color.

Latest about Health

A headshot of Jens Holst in the centre against an enlarged, blurred version of the same photo.

$3 million Breakthrough Prize awarded to developers of Ozempic-style drugs

By Emily Cooke published

Five researchers have been jointly awarded one of this year's Breakthrough Prizes in Life Sciences for their contributions to the development of Ozempic-style drugs.

Obesity
headshots of Dr. Alberto Ascherio and Dr. Stephen Hauser

$3 million Breakthrough Prize goes to scientists that completely changed our understanding of multiple sclerosis

By Nicoletta Lanese published

Two prominent scientists who study multiple sclerosis — Dr. Alberto Ascherio and Dr. Stephen Hauser — are co-winners of a 2025 Breakthrough Prize in Life Sciences.

Viruses, Infections & Disease
usmile Y10 PRO electric toothbrush laying flat on a white table

Usmile Y10 PRO Sonic electric toothbrush review

By Joanne Lewsley published

Reviews A smart, stylish and affordable sonic toothbrush with impressive battery life and advanced features.

Reviews
a rendering of an estrogen molecule

Estrogen may spur the body to make opioids after injury

By Nicoletta Lanese published

The female sex hormone estrogen, along with progesterone, appears to underlie a fundamental difference in how males and females process pain, a mouse study finds.

Neuroscience
a close-up of a mosquito

Drug makes blood toxic to malaria-spreading mosquitoes

By Emily Cooke published

Nitisinone, a drug that is already used to treat two genetic diseases, could be repurposed to control the spread of malaria, according to new research.

Viruses, Infections & Disease
Spermatozoa, view under a microscope, illustration of the appearance of spermatozoa.

Man gets sperm-making stem cell transplant in first-of-its-kind procedure

By Clarissa Brincat published

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood, in an attempt to regain fertility. Doctors are waiting to see if the treatment works.

Fertility, Pregnancy & Birth
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
SwitchBot Air Purifier Table being tested by our reviewer

SwitchBot air purifier table review

By Anna Gora published

Reviews The innovative SwitchBot air purifier table is a game-changer for pet owners.

Reviews
an illustration of the brain with a map superimposed on it

The brain may 'move' between related ideas in the same way it navigates from one location to another

By Skyler Ware published

Using a mathematical model, scientists explored how the human brain might represent information about physical spaces and about people, places and things. Turns out, it may process both in a similar way.

Neuroscience

Mind-reading brain implant 'streams' thoughts instantaneously

By Patrick Pester published

Researchers have used a mind-reading brain implant to continuously play a paralyzed person's thoughts through a speaker, allowing them to talk again.

Neuroscience
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