Researchers at Stanford University have achieved a significant milestone in neuroscience by creating mice with brains containing a substantial proportion of human cells. By genetically modifying the rodents to prevent their own brains from developing fully, scientists were able to replace nearly half of the brain volume with human cells. This experimental approach builds on previous research demonstrating that human brain organoids could function when introduced into infant rodents, offering a new model for studying brain injuries and development.
In a separate development, MIT Technology Review has released its annual list of 35 Innovators Under 35, featuring nine individuals focused on climate and energy solutions. These young researchers and inventors are addressing critical industry challenges, including the development of cleaner steel production, energy-efficient artificial intelligence, and innovative methods for lithium extraction. Other highlighted projects include the use of solid refrigerants to lower energy consumption and the conversion of food waste and invasive plant species into sustainable materials.
The broader landscape of technological advancement remains focused on artificial intelligence governance and medical innovation. Experts from the United States and China have recently proposed nuclear-style safeguards for AI, including the establishment of direct communication hotlines and strict human-control protocols. Meanwhile, the medical field is seeing the emergence of "digital twins"—virtual replicas of human organs—which are now entering clinical trials to assist in personalized treatment planning and surgical preparation.
Source: MIT Technology Review
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