Nature News
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![[:es]Alternatives to standard quantum theory ruled out[:]](https://katedra.eus/app/uploads/2021/04/PNG-1-6.png)
[:es]Alternatives to standard quantum theory ruled out[:]
[:es] Standard quantum theory contains square roots of negative numbers. But how essential are these ‘imaginary’ numbers? A way of disproving analogous theories that omit them has been proposed — […]
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![[:es]NASA spacecraft ‘touches’ the Sun for the first time ever[:]](https://katedra.eus/app/uploads/2021/12/d41586-021-03751-5_19954416.jpg)
[:es]NASA spacecraft ‘touches’ the Sun for the first time ever[:]
[:es] The Parker Solar Probe has passed through a boundary and into the Sun’s atmosphere, gathering data that will help scientists better understand stars. [:]
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![[:es]Half of top cancer studies fail high-profile reproducibility effort[:]](https://katedra.eus/app/uploads/2021/12/d41586-021-03691-0_19945212.jpg)
[:es]Half of top cancer studies fail high-profile reproducibility effort[:]
[:es] Barriers to reproducing preclinical results included unhelpful author communication, but critics argue that one-time replication attempts don’t tell the whole story. [:]
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![[:es]This tiny iron-rich world is extraordinarily metal[:]](https://katedra.eus/app/uploads/2021/12/d41586-021-03587-z_19918996.jpg)
[:es]This tiny iron-rich world is extraordinarily metal[:]
[:es] The discovery of GJ 367b, which orbits its star in about 8 hours, demonstrates astronomers’ prowess at finding extreme planets. [:]
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![[:es]China’s Mars rover has amassed reams of novel geological data[:]](https://katedra.eus/app/uploads/2021/12/d41586-021-03554-8_19900266.jpg)
[:es]China’s Mars rover has amassed reams of novel geological data[:]
[:es] Data collected by the Tianwen-1 mission and Zhurong Mars rover are offering insights into a previously unexplored region of Mars’s northern hemisphere. [:]
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![[:es]How record wildfires are harming human health[:]](https://katedra.eus/app/uploads/2021/11/d41586-021-03496-1_19879526.jpg)
[:es]How record wildfires are harming human health[:]
[:es] As fires get bigger and rage for more of the year, scientists are racing to understand the lingering impacts. [:]
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![[:es]First quantum computer to pack 100 qubits enters crowded race[:]](https://katedra.eus/app/uploads/2021/11/png-4-1.png)
[:es]First quantum computer to pack 100 qubits enters crowded race[:]
[:es] But IBM’s latest quantum chip and its competitors face a long path towards making the machines useful. [:]
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![[:es]The chase for fusion energy[:]](https://katedra.eus/app/uploads/2021/11/20211118_feature_fusion-sh-generalfus2-1080x720-1.jpeg)
[:es]The chase for fusion energy[:]
[:es]An emerging industry of nuclear-fusion firms promises to have commercial reactors ready in the next decade.[:]
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![[:es]Glass is the hidden gem in a carbon-neutral future[:]](https://katedra.eus/app/uploads/2021/11/d41586-021-02992-8_19821896.jpg)
[:es]Glass is the hidden gem in a carbon-neutral future[:]
[:es] Recycling glass does not degrade it, and manufacturing it can be carbon-free. So why are many countries still burying glass in the ground? [:]