All Stories
- Artificial Intelligence
Are AI chatbot ‘personalities’ in the eye of the beholder?
Defining AI chatbot personality could be based on how a bot “feels” about itself or on how a person feels about the bot they’re interacting with.
- Quantum Physics
Quantum mechanics was born 100 years ago. Physicists are celebrating
Quantum physics underlies technologies from the laser to the smartphone. The International Year of Quantum marks a century of scientific developments.
- Planetary Science
The moon’s two grand canyons formed in less than 10 minutes
Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.
- Health & Medicine
Toxic dangers lurk in LA, even in homes that didn’t burn
Urban wildfires like LA’s make harmful chemicals from burning plastics and electronics that can make indoor air dangerous for months.
- Life
A new book explores the evolutionary romance between plants and animals
Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.
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Math puzzle: Imagine there’s no zero
Solve the math puzzle from our February 2025 issue, based on the number system of mathematician James Foster.
- Health & Medicine
Plastic shards permeate human brains
A study of microplastics and nanoplastics in brains shows an astonishing increase over time.
- Health & Medicine
Welcome to The Deep End, a new podcast about brain implants and depression
This new six-part podcast follows the lives of people with severe depression who volunteered for deep brain stimulation.
- Anthropology
An African strontium map sheds light on the origins of enslaved people
While genetic tests can reveal the ancestry of enslaved individuals, strontium analysis can now home in on where they actually grew up.
- Health & Medicine
A new kind of non-opioid painkiller gets FDA approval
The new drug, called Journavx, is a non-opioid for treating short-term moderate to severe pain.
- Animals
Hotter cities? Here come the rats
Well, rats. A study of 16 cities shows that higher ambient temperatures and loss of green space are associated with increasing rodent complaints.
- Science & Society
Do science dioramas still have a place in today’s museums?
Science dioramas of yesteryear can highlight the biases of the time. Exhibit experts are reimagining, annotating — and sometimes mothballing — the scenes.
