Nature News
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![[:es]Melt mapped inside Earth’s mantle[:]](https://katedra.eus/app/uploads/2020/11/d41586-020-02925-x_18497760.png)
[:es]Melt mapped inside Earth’s mantle[:]
[:es] An analysis of seismic data reveals the location and quantity of melted rock, known as melt, in Earth’s upper mantle. The results show how these factors are correlated with the movement of the planet’s tectonic plates. [:]
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![[:es]Why schools probably aren’t COVID hotspots[:]](https://katedra.eus/app/uploads/2020/10/d41586-020-02973-3_18510162.jpg)
[:es]Why schools probably aren’t COVID hotspots[:]
[:es] Young children are unlikely to spread the virus — but older kids are more at risk, say researchers. [:]
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![[:es]These bizarre ancient species are rewriting animal evolution[:]](https://katedra.eus/app/uploads/2020/10/d41586-020-02985-z_18511484.jpg)
[:es]These bizarre ancient species are rewriting animal evolution[:]
[:es] Early fossils with guts, segmented bodies and other sophisticated features reveal a revolution in animal life — before the Cambrian explosion. [:]
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![[:es]This beetle’s stab-proof exoskeleton makes it almost indestructible[:]](https://katedra.eus/app/uploads/2020/10/d41586-020-02976-0_18497448.jpg)
[:es]This beetle’s stab-proof exoskeleton makes it almost indestructible[:]
[:es] Jigsaw-puzzle-shaped seams that hold a notoriously tough insect’s wing cases together could inspire engineers. [:]
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![[:es]Universal assembly instructions for the placenta[:]](https://katedra.eus/app/uploads/2020/10/d41586-020-02914-0_18487092.png)
[:es]Universal assembly instructions for the placenta[:]
[:es] Our understanding of how mammalian embryos develop is based largely on mice. A study now reveals striking similarities and intriguing differences between mouse, cow and human embryos. [:]
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![[:es]Face masks: what the data say[:]](https://katedra.eus/app/uploads/2020/10/d41586-020-02801-8_18428360.jpg)
[:es]Face masks: what the data say[:]
[:es] The science supports that face coverings save lives, and yet the debate trundles on. How much evidence is enough? [:]
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![[:es]Last chance for WIMPs: physicists launch all-out hunt for dark-matter candidate[:]](https://katedra.eus/app/uploads/2020/10/d41586-020-02741-3_18437496.jpg)
[:es]Last chance for WIMPs: physicists launch all-out hunt for dark-matter candidate[:]
[:es] Researchers have spent decades searching for the elusive particles — a final generation of detectors should leave them no place to hide. [:]
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![[:es]Alexa, do I have COVID-19?[:]](https://katedra.eus/app/uploads/2020/10/d41586-020-02732-4_18423250.jpg)
[:es]Alexa, do I have COVID-19?[:]
[:es] Researchers are exploring ways to use people’s voices to diagnose coronavirus infections, dementia, depression and much more. [:]
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![[:es]Water on Mars: discovery of three buried lakes intrigues scientists[:]](https://katedra.eus/app/uploads/2020/09/d41586-020-02751-1_18423590.jpg)
[:es]Water on Mars: discovery of three buried lakes intrigues scientists[:]
[:es] Researchers say they have detected a group of lakes hidden under the red planet’s icy surface. [:]