Riding sound waves in the brain

ETH Zurich researchers have shown for the first time that microvehicles can be steered through blood vessels in the brains of mice using ultrasound. They hope that this will eventually lead to treatments capable of delivering drugs with pinpoint precision.

Brain simulated from blood vessels
Blood supply in the brain is complicated, and guiding microvehicles through the bloodstream is a complex business. (Illustration: Science Photo Libraray / Francis Leroy)

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