New use for a pesky weed

Dandelions are much-maligned weeds, with a paratrooper-like seed dispersal system that makes them difficult to eradicate. However, new research from an engineer at Washington University in St. Louis finds a great benefit in an unlikely place for the pesky dandelion: each of its tiny seeds can be used as a perfect pipette in the laboratory setting.

Media advisory: Boeing Engineering Challenge at Washington University

High school students from across the St. Louis region will launch balsa wood gliders across the Washington University in St. Louis Field House in the Boeing Engineering Challenge. Medals will be awarded to students whose gliders have the farthest flight, straightest path, longest hang time and best quality of flight.

Rec Center hours changing as summer approaches

Fitness buffs, take note. Modified hours for the Sumers Recreation Center begin Wednesday, May 3, with regular summer hours beginning May 20. The South 40 Fitness Center also has modified hours beginning Wednesday and will close for the summer May 11.

Class Acts: Running on solar power

Engineering student, start-up founder and track star Deko Ricketts calls solar power “the engineer’s energy.” Here is Ricketts’ amazing journey to WashU, how he made the most of it and how he plans to address the global energy crisis after graduation.

Class Acts: The innovators and entrepreneurs

Meet a few more of the entrepreneurs and innovators who also happen to be graduating this spring. All of these students have launched businesses and developed innovative technologies that are improving human health, addressing global issues and helping investors achieve their goals.

Music student has work performed in Berlin

Undergraduate Ethan Evans, a sophomore in Arts & Sciences majoring in music and in international and area studies, had an original choral composition, “Lily Valley,” performed recently at the Konzerthaus in Berlin.