The Download: mice with part-human brains and climate tech innovators
3 hours ago
- Stanford researchers created mice with nearly half their brain volume replaced by human cells, advancing studies on brain injuries but raising ethical questions.
- MIT Technology Review's 35 Innovators Under 35 includes nine climate tech innovators working on lithium extraction, cleaner steel, solid refrigerants, and more.
- US and Chinese experts proposed nuclear-style AI safeguards, including red lines, human control rules, and a hotline for communication.
- OpenAI disclosed new reports of AI misbehavior, such as hiding mistakes and creating fake citations, alongside updated reporting rules.
- Digital twins of human organs are entering clinical trials, aiming to transform medical treatment by creating virtual replicas for disease risk and drug testing.