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Brain Chemical Helps Signal to Neurons When to Start a Movement
...moment just before or after — has yet to be found. In a recent paper in eLife, a group of neuroscientists led by John Assad at Harvard Medical School finally...
Controversy Continues Over Whether Hot Water Freezes Faster Than Cold
...Recent experiments appear to confirm these ideas. Yet the most familiar substance of all, water, is proving to be the slipperiest. “A glass of water stuck in a freezer seems...
How Can Infinitely Many Primes Be Infinitely Far Apart?
Mathematicians have been studying the distribution of prime numbers for thousands of years. Recent results about a curious kind of prime offer a new take on how spread out they...
How Supergenes Fuel Evolution Despite Harmful Mutations
Supergenes that lock inherited traits together are widespread in nature. Recent work shows that their blend of genetic benefits and risks for species can be complex. Thousands of miles from...
Mathematicians Roll Dice and Get Rock-Paper-Scissors
...that as you consider dice with more and more sides, it’s possible to create intransitive cycles of any length. What mathematicians didn’t know until recently was how common intransitive dice...
Astronomers Dig Up the Stars That Birthed the Milky Way
...distinctive chemistry and orbits. Yet until recently, only a small number of them had ever been found. Now, a determined effort using data-intensive machine learning has unearthed a trove of...
Why Mathematicians Re-Prove What They Already Know
...a mathematician at Graz University of Technology in Austria and author of another recent proof, said that instead of proving hard results from many smaller results — what mathematicians do...
How the Brain Protects Itself From Blood-Borne Threats
...A breakdown of the blood-brain barrier is a hallmark of Alzheimer’s disease, for example. A recent study in the journal Nature Neuroscience mapped out significant changes to gene expression within...
JWST Spots Giant Black Holes All Over the Early Universe
Giant black holes were supposed to be bit players in the early cosmic story. But recent James Webb Space Telescope observations are finding an unexpected abundance of the beasts. Years...