Medical research

Mounting brain organoid research reignites ethical debate

As research involving the transplantation of human "mini-brains"—known as brain organoids—into animals to study disease continues to expand, so do the ethical debates around the practice. One concern is the possibility, ...

Neuroscience

Signal blocks stem cell division in the geriatric brain

Scientists from Basel have investigated the activity of stem cells in the brain of mice and discovered a key mechanism that controls cell proliferation. According to the researchers, the gene regulator Id4 controls whether ...

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