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Researchers have created a mouse whose brain cortex is made up of nearly half human cells, according to an MIT Technology Review report. Scientists tracked the rodent’s movement in an arena using multiple cameras and computers that recorded its position and speed. While the animal wandered, it displayed normal behavior despite the significant cellular replacement in its brain structure.

In biotechnology, a three-year-old boy has remained cancer-free for 12 months after receiving experimental immunotherapy known as CAR T. After his first infusion showed partial improvement and his second dose caused the remaining cancer to disappear completely, he avoided serious side effects like cytokine release syndrome. This condition typically sends the immune system into overdrive, which can be deadly, but this patient did not experience it.

Joby Aviation completed a 3,100-mile autonomous flight across the United States, marking its push beyond electric air taxis. The trip included autonomous taxiing, takeoffs, navigation, and landings performed entirely by the aircraft without human intervention during the operation. Although a pilot remained on board for compliance purposes, the company stated the plane was remotely supervised from California and South Carolina while executing the cross-country journey independently.