Which scientific breakthrough do you reckon will change daily life most by 2050?

Cultivated beef and chicken grown in bioreactors could end factory farming, or just give Greggs a fancier sausage roll. Either way, the butcher's window is about to look very different.

Chips that let you scroll Twitter with a thought or type without a keyboard. Brilliant for the paralysed, terrifying for anyone who's ever drunk-texted an ex.

Limitless clean power that could slash energy bills and tell Putin where to shove his gas. Always twenty years away, but Oxfordshire's JET reactor reckons it's getting close.

Snipping out hereditary illnesses before birth sounds miraculous until someone orders a blue-eyed striker for Arsenal's academy. The ethics committee is going to be busy.

Machines that crack problems classical computers would need centuries for, from new medicines to breaking every password you've ever used. HSBC is already nervous.