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This is an audio long read from nature.

In this episode, AI has dreamt up a blizzard of new proteins. Do any of them actually work?

Written by Ewan Calloway and read by me, Benjamin Thompson.

On a Saturday morning in mid-August, Alex Nacker embarked on what he describes as, quote, a little hackathon, end quote, in his girlfriend's kitchen.

Powered by his laptop, some coffee, and, at one point, about 80 cloud-based artificial intelligence or AI processors,

he generated scores of computer-engineered proteins, designed to block a cell receptor that is

mutated in some tumours. Naka, who on weekdays is a protein engineer at a medical technology

company in Alameda, California, entered his 10 most promising creations into a newly launched protein design competition

and watched them climb to the top of the leaderboard.

The contest, run by a biotechnology startup firm called Adaptive Bio in Lausanne, Switzerland,

is one of at least five to have popped up over the past year or so. Most of the people

...