
China has sent a living “mini-brain” – a chip the size of a credit card containing human brain cells and blood vessels – to its Tiangong space station to find out how space messes with the mind.Researchers aboard the International Space Station have previously used brain cell cultures and early-stage brain organoids to study ageing and disorders such as Alzheimer’s.But China’s experiment appears to be the first time a highly integrated brain chip featuring blood-brain barrier functions has...