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[:es]‘Impossible’ Particle Discovery Adds Key Piece to the Strong Force Puzzle[:]

[:es]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[:]

[:es]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[:]

[:es]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[:]

[:es]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.[:]
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[:es]Biologists Rethink the Logic Behind Cells’ Molecular Signals[:]

[:es]The molecular signaling systems of complex cells are nothing like simple electronic circuits. The logic governing their operation is riotously complex — but it has advantages.[:]
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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.[:]