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Rare-earth elements that are crucial for clean-energy technologies are jealously fought over. Policies and programmes to encourage recycling and recovery could reduce tensions.
Researchers test the AI’s capabilities as a research ‘co-pilot’ for writing a paper from scratch. Plus, how even a ‘minimal cell’ can evolve to grow stronger and the most-detailed images yet of human embryos developing in real time.
People with an ‘overweight’ body mass index live longer than those with one in the ‘healthy’ range. Plus, a beautiful blob fossil illuminates the origin of vertebrates and disinformation researchers are facing scrutiny in the United States.