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Tech heavyweights brawl over whether research needs to be published to count as science. Plus, the first recipient of a gene-edited pig liver is “doing very well” and how Viking-age hunters took down the world’s biggest animal.
Kwabena Boahen Asare was determined to conquer his fear of public speaking after landing a research placement that required him to give weekly presentations.
Some are hopeful, but others worry that Claudia Sheinbaum Pardo will follow in her controversial predecessor’s footsteps rather than stand up for science.
Contractile forces at the surface of cells of early human embryos bring the cells together. When these forces are absent, the embryo will not develop further. ‘Weak’ cells do not produce these forces and cannot contribute to the embryo. These observations should influence clinical choices during assisted reproductive-technology procedures.