nature Magazine -June 29, 2023 issue: RNA molecules can adopt complex 3D structures, but whether DNA can self-assemble into similar 3D folded structures has been less clear. In this week’s issue, Luiz Passalacqua and his colleagues use a DNA mimic of green fluorescent protein (GFP) to investigate this question.

Underwater volcano triggered the most intense lightning ever recorded

The huge eruption of the Hunga Tonga–Hunga Ha‘apai volcano generated more than 2,600 lightning flashes per minute.

Open-source AI chatbots are booming — what does this mean for researchers?

Freely accessible large language models have accelerated the pace of innovation, computer scientists say.

The craze for generative artificial intelligence (AI) that began with the release of OpenAI’s ChatGPT shows no sign of abating. But while large technology companies such as OpenAI and Google have captured the attention of the wider public — and are finding ways to monetize their AI tools — a quieter revolution is being waged by researchers and software engineers at smaller organizations.