Copycat evolution

Copycat evolution

Biologist Jonathan Losos, in Arts & Sciences, has documented evidence of a kind of “copycat” evolution between extremely short-faced breeds of cats and dogs. Generations of intentional breeding have led these animals to converge on a rounded, flat-nosed head shape that humans prefer — even though the shape causes a variety of health ailments.
Class Acts: Justin Xu

Class Acts: Justin Xu

Graduating senior Justin Xu, in Arts & Sciences, is clear about two things: his passion for community service and his pursuit of a medical career. If his leadership at WashU is any indication, he will achieve both goals and much more.
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