Food drove the evolution of giraffes' long neck

Food, not sex, drove the evolution of giraffes' long neck, new study finds - EurekAlert

Eerie Lampreys Hint at the Origins of Our ‘Fight-or-Flight’ Response and Sympathetic Nervous System. The jawless, parasitic fish largely haven’t changed over the last 340 million years, but they might be better sources for studying our own evolution than thought, a recent study suggests.

Tracing the evolution of ferns' surprisingly sweet defense strategy