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two nurses wearing protective equipment work in the ICU
'We have basically destroyed what capacity we had to respond to a pandemic,' says leading epidemiologist Michael Osterholm Live Science spoke with leading epidemiologist Michael Osterholm about his new book, "The Big One," which discusses the next pandemic and how to mitigate its harm.
A colored diagram of different neurons in the mouse brain
Map of 600,000 brain cells rewrites the textbook on how the brain makes decisions A new study shows that the brain activity behind decision-making is far more widespread across the organ than first thought.
Background image shows sperm swimming. Image in top right corner is of the acne drug, accutane in a box.
Acne drug Accutane may restore sperm production in infertile men, early study hints Accutane, a decades-old acne treatment, could help men with infertility produce motile sperm and avoid invasive sperm retrieval surgery, a study finds.

Latest about Health

'We have basically destroyed what capacity we had to respond to a pandemic,' says leading epidemiologist Michael Osterholm

By Nicoletta Lanese published

Live Science spoke with leading epidemiologist Michael Osterholm about his new book, "The Big One," which discusses the next pandemic and how to mitigate its harm.

Viruses, Infections & Disease
a close-up picture of our reviewer's real-time running stats in his Garmin Fenix 8

Best running watches 2025 — 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

RFK Jr. wants to overhaul the country's 'vaccine court.' Here's what stands in his way.

By Anna Kirkland published

Opinion The 40-year-old "vaccine court" relies on scientific evidence to determine whether a person experienced harm from a routine vaccination.

Opinion

Extreme thinness: Scientists are investigating why some people struggle to gain weight

By Ute Eberle, Knowable Magazine published

Researchers are exploring why some individuals are naturally super-lean and may struggle to gain weight. The causes of such constitutional thinness offer clues to the physiology of weight control.

Health

Unpacking RFK Jr.'s (many) false claims about COVID vaccines

By Deborah Fuller published

Opinion Chaos at the CDC and the sharp move away from mRNA vaccines has public health experts alarmed.

Opinion
The AMOC current and a mouse brain.

Science news this week: A key Atlantic current nears collapse, the world's biggest iceberg shatters, and mouse brains rewrite neuroscience

By Ben Turner published

Science news this week Sept. 6, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

Science news this week

Just 1 dose of LSD could relieve anxiety for months, trial finds

By Nicoletta Lanese published

An early trial with about 200 people tested the effects of LSD on generalized anxiety disorder and found promising results.

Medicine & Drugs

Scientists invented 'sperm bots' that they piloted through a fake cervix and uterus

By Patrick Pester published

Newly unveiled sperm microbots have the potential to improve reproductive health with magnetic controls and real-time X-ray tracking, according to a study.

Fertility, Pregnancy & Birth
Athletes in race crossing finishing line, overhead view (Composite).

Sports records quiz: How much do you know about the greatest athletic feats of all time?

By Anna Gora published

Who is the fittest, the strongest, the fastest? Let's see how much you know about all the amazing things a human body can do.

Exercise

Scientists develop 'glue gun' that 3D prints bone grafts directly onto fractures

By Kristina Killgrove published

Researchers created a special glue gun that can 3D print a bone-like substance for fracture repair during surgery and have tested it in early experiments.

Surgery
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