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.
The peace agreement over Palestine has been widely taken as a sign that technical and financial assistance is needed urgently in Gaza; the Israelis have a bigger and special part to play.
Models of even the simplest biological systems madden bench biologists by what seems naivety and pretension, but some of them deserve attention for their more general attributes.
