All Stories
- Artificial Intelligence
ChatGPT and other AI tools are full of hidden racial biases
In tests, AI programs would recommend people who use African American English for less prestigious jobs and harsher punishments for serious crime.
- Artificial Intelligence
Explainer: What is generative AI?
New bots are emerging all the time that can create — at your direction — images, computer code, articles, ads, songs and more.
- Artificial Intelligence
Two AI trailblazers win the 2024 Nobel Prize in physics
John Hopfield and Geoffrey Hinton used brain-like networks based on principles of physics to jump-start machine learning.
- Genetics
The discovery of microRNA wins the 2024 Nobel Prize in physiology
Victor Ambros and Gary Ruvkun discovered tiny snippets of genetic material, called microRNAs, that play a big role in making sure cells work as they should.
- Science & Society
Let’s learn about the Nobel Prize
Nobel Prizes are the highest honors in science. But the prizes are far from perfect measures of scientific impact.
- Space
Spacecraft need an extra boost to travel between stars
Star Wars makes space travel look easy by breaking the laws of physics. Off-screen, the technology for spacecraft to reach other worlds doesn’t exist yet.
- Archaeology
Scientists Say: Stone Age
This vast, mysterious stretch of time marks the dawn of human civilizations.
- Microbes
More than 100 types of bacteria found living in microwave ovens
More than 30 microwave ovens were sampled in a range of different settings. The microbes in them included ones that can cause food poisoning in people.
- Chemistry
Explainer: How cells use chemistry to make the electricity of life
Charged particles, or ions, constantly move in and out of cells. These migrations produce tiny electric currents, which power your brain, heart and more.
- Health & Medicine
Explainer: Anatomy of a heartbeat
Here’s how the heart pumps blood to each and every cell of the body. It beats roughly 60 times every minute, starting before we’re born.
- Brain
Zap, zap, zap! Our bodies are electric
Electricity powers key functions in the brain, heart and bone. Scientists are working to understand those currents to improve our health and moods.
- Physics
Weirdly, mayo can help study conditions ripe for nuclear fusion
Yes, mayo. The texture of the sandwich spread is perfect for mimicking what a fusion fuel capsule goes through when blasted with lasers.
