At first glance, it looks like the start of a human pregnancy: A ball-shaped embryo presses gently into the receptive lining of the uterus and then grips tight, burrowing in as the first tendrils of a future placenta appear. This is implantation—the moment that pregnancy officially begins. Only none of it is happening inside a…
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. AI-designed viruses are here and already killing bacteria Artificial intelligence can draw cat pictures and write emails. Now the same technology can compose a working genome. A research team in California says it…
Hydrogen is sometimes held up as a master key for the energy transition. It can be made using several low-emissions methods and could play a role in cleaning up industries ranging from agriculture and chemicals to aviation and long-distance shipping. This moment is a complicated one for the green fuel, though, as a new report…