Corporal lab
Trial by error
Gut spills heart secrets
Bacteria in intestine can aid clogging of arteries
Special touch
Electronic eye
A retinal implant based on a microchip could help treat blindness
Organ piggybank
Genetically engineered pigs could substitute human organ donors
Catalysing cures
Small ancestry
Europeans descended from just 50 African migrants
CHINA
Checking leukaemia
Hearty news