91É«ÇéƬ

91É«ÇéƬ

Brain scans show that people who have had Botox injections have altered brain activity when they look at happy and angry faces, possibly because the paralysis of muscles means they can’t mimic the expressions they see

91É«ÇéƬ

91É«ÇéƬ

91É«ÇéƬ

91É«ÇéƬ

Technology

91É«ÇéƬ

Mind

91É«ÇéƬ

91É«ÇéƬ

Antibody molecules sprayed into the noses of rats have led to the repair of stroke-like damage in the brain, and it may be because the drugs travelled through nerve cells for smell

91É«ÇéƬ

91É«ÇéƬ

91É«ÇéƬ

91É«ÇéƬ