Biology

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
We overwash our bodies because bad odors are uniquely disgusting
Bacteria living inside tumors help cancer spread through the blood
New $5-device allows healthy sperm cells to isolate themselves