What's up in
How Quickly Do Large Language Models Learn Unexpected Skills?
A new study suggests that so-called emergent abilities actually develop gradually and predictably, depending on how you measure them.
Radio Maps May Reveal the Universe’s Biggest Magnetic Fields
A controversial technique has produced detailed maps of the magnetic fields in colossal galaxy clusters. If confirmed, the approach could be used to reveal where cosmic magnetic fields come from.
What Your Brain Is Doing When You’re Not Doing Anything
When your mind is wandering, your brain’s “default mode” network is active. Its discovery 20 years ago inspired a raft of research into networks of brain regions and how they interact with each other.
Researchers Approach New Speed Limit for Seminal Problem
Integer linear programming can help find the answer to a variety of real-world problems. Now researchers have found a much faster way to do it.
Math’s ‘Game of Life’ Reveals Long-Sought Repeating Patterns
John Conway’s Game of Life, a famous cellular automaton, has been found to have periodic patterns of every possible length.
How to Guarantee the Safety of Autonomous Vehicles
As computer-driven cars and planes become more common, the key to preventing accidents, researchers show, is to know what you don’t know.
New Kind of Magnetism Spotted in an Engineered Material
In an atomically thin stack of semiconductors, a mechanism unseen in any natural substance causes electrons’ spins to align.
Cells Across the Body Talk to Each Other About Aging
Biologists discovered that mitochondria in different tissues talk to each other to repair injured cells. When their signal fails, the biological clock starts winding down.