Popular weight-loss drugs may do more than help people shed pounds. They might also melt away the years. Drug giants Eli Lilly and Novo Nordisk say patients taking their drugs age less quickly, according to readouts from molecular “aging clocks.” Such clocks assess a person’s biological age by looking at changes to DNA that accumulate…
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…