In his laboratory at the Catholic University of Ecuador, Carvajal takes a small vial containing a variety of the Saccharomyces cerevisiaerescatada yeast. “It lives here in a little container.

The team is now offering vials of the yeast mix and usage instructions free of charge to any nonprofit labs that want them. Commercial companies can license the yeast.

At yeast, it’s all-natural. Kaitlyn Siragusa, who goes by Amouranth on Twitch and OnlyFans, is adding her own special ingredient to a beer she’s creating with Polish beer company The Order of ...