Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Lawyer Richard Gold argues that superfluous patents stifle innovation. Industry should adopt new models, he says, in which knowledge is viewed as a club good.
Mark Roth's pioneering work on hydrogen sulfide has spawned Ikaria, a company exploring the molecule's potential to modulate the body's metabolism and perhaps one day turn hibernation into profitable clinical applications.
