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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.
The antibiotic lolamicin targets disease-causing bacteria without disturbing healthy gut bacteria. Plus, the underground lab that will test a controversial dark-matter claim and how NASA astronauts train to walk on the Moon.