After 2 weeks of intense negotiations, countries agreed this week on a historic treaty to protect biodiversity in international waters. The agreement, announced on 4 March at the United Nations, sets up a legal process for establishing marine protected areas (MPAs), a key tool for protecting at least 30% of the ocean, which an intergovernmental convention recently set as a target for...

Nearly 5 years after a Chinese scientist sparked worldwide outrage by announcing he had helped create genetically edited babies, China has unveiled new rules aimed at preventing a repeat of such ethically problematic research on humans. Many researchers welcome the new regulations, which set requirements for ethics reviews of research involving humans and human materials such as...

On 6 February, the University of Lausanne (UNIL) told staff by email that prominent evolutionary biologist Laurent Keller was no longer employed there. The Swiss university and Keller both declined to explain why, and there is still no official word on the reason. But Science has learned that in the past 2 months, at least three former researchers in Keller’s department...

As neuroscientists struggle to demystify how the human brain converts what our eyes see into mental images, artificial intelligence (AI) has been getting better at mimicking that feat. A recent study , scheduled to be presented at an upcoming computer vision conference, demonstrates that AI can read brain scans and re-create largely realistic versions of images...