This is a special post for quick takes by avturchin. Only they can create top-level comments. Comments here also appear on the Quick Takes page and All Posts page.
Crocodiles don't age and don't have cancer. Their serum kills human cancers in mice.
Sera from Phylogenetically Related Alligators, Crocodiles and Domestic Chickens Exhibit Comparable Anti-Cancer Activity https://www.mdpi.com/3852192 #mdpicells via @Cells_MDPI