Nature News
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[:es]Blood stem cells produced in vast quantities in the lab[:]
A glue ingredient was the secret to getting the mouse cells to multiply outside the body.
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[:es]Can tracking people through phone-call data improve lives?[:]
Researchers have analysed anonymized phone records of tens of millions of people in low-income countries. Critics question whether the benefits outweigh the risks.
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[:es]Google revives controversial cold-fusion experiments[:]
Researchers tested mechanisms linked to nuclear fusion at room temperature — but found no evidence for the phenomenon.
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[:es]Billion-year-old fossils set back evolution of earliest fungi[:]
Microscopic specimens discovered in the Canadian Arctic are surprisingly intricate.
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[:es]Anthropocene now: influential panel votes to recognize Earth’s new epoch[:]
Atomic Age would mark the start of the current geologic time unit, if proposal receives final approval.
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[:es]Physical kilogram is officially dead[:]
Definitions of four basic scientific units, including the kilogram and the kelvin, now rely on fundamental constants rather than arbitrary measures.
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[:es]The trickster microbes that are shaking up the tree of life[:]
Mysterious groups of archaea — named after Loki and other Norse myths — are stirring debate about the origin of complex creatures, including humans.
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[:es]AI can now defend itself against malicious messages hidden in speech[:]
Computer scientists have thwarted programs that can trick AI systems into classifying malicious audio as safe.
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[:es]Humans are driving one million species to extinction[:]
Landmark United Nations-backed report finds that agriculture is one of the biggest threats to Earth’s ecosystems.