The developmental hourglass has long been seen at the level of embryos. By zooming in to single cells, this Perspective shows that mid-embryonic conservation arises from converging cell states ...

Salinity gradients can be converted into electrical energy via charge-selective membranes, yet controlling the solid–liquid interfacial properties at the nanometre scale remains a key challenge. Now, ...

AI researchers at Google and OpenAI back Anthropic in alleging government retaliation for policy disagreement. Some of the president’s advisers privately encouraged him to look for an exit plan amid ...