Charlotte was born when her mother was 26 weeks pregnant, has never left hospital and is fed through a tube as she cannot suck from a bottle.

BBC: NEWS | Health | Don't let baby die, pleads father

Plans to suck carbon from the air by growing trees conflict with the need to grow crops.

ECONOMIST: Geo-engineering

To compete with hand-picking, robot harvesters will need to twist, pluck, cut or suck produce from stems and handle it as gently as possible.

ECONOMIST: Agricultural robots