Quanta
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![[:es]Brain’s ‘Background Noise’ May Hold Clues to Persistent Mysteries[:]](https://katedra.eus/app/uploads/2021/02/Brain-Noise_2560_Lede.jpg)
[:es]Brain’s ‘Background Noise’ May Hold Clues to Persistent Mysteries[:]
[:es]By digging out signals hidden within the brain’s electrical chatter, scientists are getting new insights into sleep, aging and more.[:]
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![[:es]Some Proteins Change Their Folds to Perform Different Jobs[:]](https://katedra.eus/app/uploads/2021/02/Folding_proteins_2880x1660_Lede-scaled.jpg)
[:es]Some Proteins Change Their Folds to Perform Different Jobs[:]
[:es]Unusual proteins that can quickly fold into different shapes provide cells with a novel regulatory mechanism.[:]
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![[:es]Tetrahedron Solutions Finally Proved Decades After Computer Search[:]](https://katedra.eus/app/uploads/2021/02/59_Tetrahedra_2560_HPA_OP.jpg)
[:es]Tetrahedron Solutions Finally Proved Decades After Computer Search[:]
[:es]Four mathematicians have cataloged all the tetrahedra with rational angles, resolving a question about basic geometric shapes using techniques from number theory.[:]
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![[:es]The Hard Lessons of Modeling the Coronavirus Pandemic[:]](https://katedra.eus/app/uploads/2021/02/COVID-Modeling_2880x1620_Lede-scaled.jpg)
[:es]The Hard Lessons of Modeling the Coronavirus Pandemic[:]
[:es]In the fight against COVID-19, disease modelers have struggled with misunderstanding and misuse of their work. They have also come to realize how unready the state of modeling was for […]
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![[:es]Topology 101: The Hole Truth[:]](https://katedra.eus/app/uploads/2021/01/Topology-Straw_520x292-520x292-1.jpg)
[:es]Topology 101: The Hole Truth[:]
[:es]The relationships among the properties of flexible shapes have fascinated mathematicians for centuries. [:]
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![[:es]Physicists Study How Universes Might Bubble Up and Collide[:]](https://katedra.eus/app/uploads/2021/01/Bubble_collisions_2880x1620_Lede-scaled.jpg)
[:es]Physicists Study How Universes Might Bubble Up and Collide[:]
[:es]Since they can’t prod actual universes as they inflate and bump into each other in the hypothetical multiverse, physicists are studying digital and physical analogs of the process. [:]
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![[:es]Secret Ingredient Found to Power Supernovas[:]](https://katedra.eus/app/uploads/2021/01/Supermodels_1820x776_HP.jpg)
[:es]Secret Ingredient Found to Power Supernovas[:]
[:es]Three-dimensional supernova simulations have solved the mystery of why they explode at all. [:]
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![[:es]A Newfound Source of Cellular Order in the Chemistry of Life[:]](https://katedra.eus/app/uploads/2021/01/Cells_2200_Lede_01.jpg)
[:es]A Newfound Source of Cellular Order in the Chemistry of Life[:]
[:es]Inside cells, droplets of biomolecules called condensates merge, divide and dissolve. Their dance may regulate vital processes.[:]
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![[:es]Mathematicians Resurrect Hilbert’s 13th Problem[:]](https://katedra.eus/app/uploads/2021/01/Hilberts_13th_2880_Lede-scaled.jpg)
[:es]Mathematicians Resurrect Hilbert’s 13th Problem[:]
[:es]Long considered solved, David Hilbert’s question about seventh-degree polynomials is leading researchers to a new web of mathematical connections.[:]
