Scientifc America

One safe, five sons and betrayal: this principle shows how shared knowledge can protect secrets—without having to trust anyone

The U.S.’s largest-ever outbreak of waterborne illness—cryptosporidiosis—hit Milwaukee 30 years ago. Why are many other water systems still vulnerable to the same parasite today?

To understand how AI is contributing to climate change, look at the way it’s being used

Brain waves during sleep influence glucose and insulin, offering new insights into controlling diabetes

It turns out that your chronological age really is just a number. What’s more important for knowing disease risk is the biological age of each of your organs

A mathematician and a musician collaborated to turn a quantum research paper into a jazz performance

Astronomers are moving ahead in planning NASA’s Habitable Worlds Observatory, a telescope designed to answer the ultimate question: Are we alone in the universe?

A recent study finds varying combinations of microbes in the vaginal microbiome may influence health outcomes such as risk of sexually transmitted disease and preterm birth

AI chatbots can convince other chatbots to instruct users how to build bombs and cook meth

As humans encroach on polar bear habitats, new tools such as drone-mounted radar can prevent us from disrupting the hidden dens where bears give birth

Veterinarians and researchers are investigating mysterious clusters of severe respiratory disease in dogs

Light can be reflected not only in space but also in time—and researchers exploring such “time reflections” are finding a wealth of delightfully odd and useful effects

Robots that can fit multiple items into a limited space could help pack a suitcase or a rocket to Mars

The complexity of the brain comes to life in the annual Art of Neuroscience competition

Scattered evidence suggests that aberrant proteins act as “seeds” to transmit neurodegenerative disease, but the jury is still out

Italy’s Campi Flegrei volcano has caused thousands of recent earthquakes and pushed up the ground, worrying 1.3 million residents

A brain drain from NASA’s Jet Propulsion Laboratory could pose problems for the space agency’s ambitious science plans

Helium gas may be seeping from Earth’s core, say scientists who found extremely high helium isotope ratios in lavas on Baffin Island

Amid restrictions on optical satellite images, researchers have developed a radar technique to gauge building damage in Gaza

Researchers have created “anthrobots” out of human lung cells that are capable of moving independently and even healing damaged tissue