Peptides are everywhere. Here’s what you need to know.

MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you understand what’s coming next. You can read more from the series here. Want to lose weight? Get shredded? Stay mentally sharp? A wellness influencer might tell you to take peptides, the latest cure-all in the alternative medicine arsenal.…

Measles cases are rising. Other vaccine-preventable infections could be next.

There’s a measles outbreak happening close to where I live. Since the start of this year, 34 cases have been confirmed in Enfield, a northern borough of London. Most of those affected are children under the age of 11. One in five have needed hospital treatment. It’s another worrying development for an incredibly contagious and potentially…

The scientist using AI to hunt for antibiotics just about everywhere

When he was just a teenager trying to decide what to do with his life, César de la Fuente compiled a list of the world’s biggest problems. He ranked them inversely by how much money governments were spending to solve them. Antimicrobial resistance topped the list.  Twenty years on, the problem has not gone away.…

ALS stole this musician’s voice. AI let him sing again.
ALS stole this musician’s voice. AI let him sing again.

There are tears in the audience as Patrick Darling’s song begins to play. It’s a heartfelt song written for his great-grandfather, whom he never got the chance to meet. But this performance is emotional for another reason: It’s Darling’s first time on stage with his bandmates since he lost the ability to sing two years…

US deputy health secretary: Vaccine guidelines are still subject to change

Over the past year, Jim O’Neill has become one of the most powerful people in public health. As the US deputy health secretary, he holds two roles at the top of the country’s federal health and science agencies. He oversees a department with a budget of over a trillion dollars. And he signed the decision…

RFK Jr. follows a carnivore diet. That doesn’t mean you should.

Americans have a new set of diet guidelines. Robert F. Kennedy Jr. has taken an old-fashioned food pyramid, turned it upside down, and plonked a steak and a stick of butter in prime positions. Kennedy and his Make America Healthy Again mates have long been extolling the virtues of meat and whole-fat dairy, so it…

An experimental surgery is helping cancer survivors give birth

This week I want to tell you about an experimental surgical procedure that’s helping people have babies. Specifically, it’s helping people who have had treatment for bowel or rectal cancer. Radiation and chemo can have pretty damaging side effects that mess up the uterus and ovaries. Surgeons are pioneering a potential solution: simply stitch those…

How the sometimes-weird world of lifespan extension is gaining influence

For the last couple of years, I’ve been following the progress of a group of individuals who believe death is humanity’s “core problem.” Put simply, they say death is wrong—for everyone. They’ve even said it’s morally wrong. They established what they consider a new philosophy, and they called it Vitalism. Vitalism is more than a philosophy,…

Meet the Vitalists: the hardcore longevity enthusiasts who believe death is “wrong”
Meet the Vitalists: the hardcore longevity enthusiasts who believe death is “wrong”

“Who here believes involuntary death is a good thing?”  Nathan Cheng has been delivering similar versions of this speech over the last couple of years, so I knew what was coming. He was about to try to convince the 80 or so people in the audience that death is bad. And that defeating it should…

The first human test of a rejuvenation method will begin “shortly” 

When Elon Musk was at Davos last week, an interviewer asked him if he thought aging could be reversed. Musk said he hasn’t put much time into the problem but suspects it is “very solvable” and that when scientists discover why we age, it’s going to be something “obvious.” Not long after, the Harvard professor…