Biology

Study reveals the dynamics of human milk production
Genetic mutations can be benign or cancerous – here’s a new way to identify them
Why haven’t plastic-eating bacteria fixed the plastic problem yet?
First CRISPR’d cockroaches open door to other gene-edited insects
Ultrathin fuel cell uses the body’s own sugar to generate electricity 
Gene editing could reverse anxiety and alcohol-use disorder 
‘Mad honey’: The rare hallucinogen from the mountains of Nepal 
Joystick-operated robot could help surgeons treat stroke remotely
How Robert Langer, a pioneer in delivering mRNA into the body, failed repeatedly but kept going
Inspired by kombucha tea, engineers create living materials