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[:es]Neuron Bursts Can Mimic Famous AI Learning Strategy[:]

A new model of learning centers on bursts of neural activity that act as teaching signals — approximating backpropagation, the algorithm behind learning in AI.
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[:es]How Animals Map 3D Spaces Surprises Brain Researchers[:]

When animals move through 3D spaces, the neat system of grid cell activity they use for navigating on flat surfaces gets more disorderly. That has implications for some ideas about […]
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[:es]A New Link to an Old Model Could Crack the Mystery of Deep Learning[:]

To help them explain the shocking success of deep neural networks, researchers are turning to older but better-understood models of machine learning.
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[:es]Mathematicians Prove Melting Ice Stays Smooth[:]

After decades of effort, mathematicians now have a complete understanding of the complicated equations that model the motion of free boundaries, like the one between ice and water.
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[:es]Major Quantum Computing Strategy Suffers Serious Setbacks[:]

So-called topological quantum computing would avoid many of the problems that stand in the way of full-scale quantum computers. But high-profile missteps have led some experts to question whether the […]
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[:es]‘Impossible’ Particle Discovery Adds Key Piece to the Strong Force Puzzle[:]

The unexpected discovery of the double-charm tetraquark has given physicists a new tool with which to hone their understanding of the strongest of nature’s fundamental forces.
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[:es]The Simple Math Behind the Mighty Roots of Unity[:]

Solutions to the simplest polynomial equations — called “roots of unity” — have an elegant structure that mathematicians still use to study some of math’s greatest open questions.
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[:es]Mathematician Answers Chess Problem About Attacking Queens[:]

The n-queens problem is about finding how many different ways queens can be placed on a chessboard so that none attack each other. A mathematician has now all but solved […]
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[:es]Mathematical Analysis of Fruit Fly Wings Hints at Evolution’s Limits[:]

A painstaking study of wing morphology shows both the striking uniformity of individuals in a species and a subtle pattern of linked variations that evolution can exploit.