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[:es]How Ancient War Trickery Is Alive in Math Today[:]

[:es]Legend says the Chinese military once used a mathematical ruse to conceal its troop numbers. The technique relates to many deep areas of modern math research. [:]
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[:es]New Math Book Rescues Landmark Topology Proof[:]

[:es]Michael Freedman’s momentous 1981 proof of the four-dimensional Poincaré conjecture was on the verge of being lost. The editors of a new book are trying to save it.[:]
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[:es]One Lab’s Quest to Build Space-Time Out of Quantum Particles[:]

[:es]For over two decades, physicists have pondered how the fabric of space-time may emerge from some kind of quantum entanglement. In Monika Schleier-Smith’s lab at Stanford University, the thought experiment […]
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[:es]The New Thermodynamic Understanding of Clocks[:]

[:es]Studies of the simplest possible clocks have revealed their fundamental limitations — as well as insights into the nature of time itself.[:]
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[:es]How Computationally Complex Is a Single Neuron?[:]

[:es]Computational neuroscientists taught an artificial neural network to imitate a biological neuron. The result offers a new way to think about the complexity of single brain cells.[:]
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[:es]The Brain Doesn’t Think the Way You Think It Does[:]

[:es]Familiar categories of mental functions such as perception, memory and attention reflect our experience of ourselves, but they are misleading about how the brain works. More revealing approaches are emerging.[:]
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[:es]Proof Assistant Makes Jump to Big-League Math[:]

[:es]Mathematicians using the computer program Lean have verified the accuracy of a difficult theorem at the cutting edge of research mathematics.[:]
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[:es]A Soil-Science Revolution Upends Plans to Fight Climate Change[:]

[:es]A centuries-old concept in soil science has recently been thrown out. Yet it remains a key ingredient in everything from climate models to advanced carbon-capture projects.[:]
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[:es]How to Find Rational Points Like Your Job Depends on It[:]

[:es]Using high school algebra and geometry, and knowing just one rational point on a circle or elliptic curve, we can locate infinitely many others.[:]