What’s so hard about counting craters?

The journal Icarus published a study this month that compared lunar crater counts by eight professionals with crowdsourced counts by volunteers. The professional crater counts varied by as much as a factor of two. Two of the professionals, both planetary scientists at Washington University in St. Louis, explain why they weren’t surprised.

Former Sen. Snowe to chat with faculty, students

Former U.S. Sen. Olympia Snowe, of Maine, will have an informal conversation with Washington University in St. Louis students and faculty at 3:30 p.m. Tuesday, April 1, in the Women’s Building Formal Lounge. The event is sponsored by the Weidenbaum Center on the Economy, Government, and Public Policy.

Are health departments tweeting to the choir?

The use of social media to disseminate information is increasing in local health departments, but a new study, led by Jenine K. Harris, PhD, assistant professor at the Brown School finds that Twitter accounts are followed more by organizations than individuals and may not be reaching the intended audience.

Scientists find a molecular clue to the complex mystery of auxin signaling in plants

Plants fine-tune the response of their cells to the potent plant hormone auxin by means of large families of proteins that either step on the gas or put on the brake in auxin’s presence. Scientists at Washington University have learned that one of these proteins, a transcription factor, has an interaction region that, like a button magnet, has a positive and negative face. Because of this domain, the protein can bind two other proteins or even chains of proteins arranged back-to-front.

Biggs Lecture in Classics features acclaimed Athenian archaeologist John Camp

World-renowned archaeologist John M. Camp will give this year’s John and Penelope Biggs Lecture in the Classics for the Assembly Series. His lecture, “Greece between Antiquity and Modernity: View of Two Early 19th Century Travelers” will be held at 4 p.m. Thursday, March 27, in Steinberg Hall Auditorium on Washington University in St. Louis’ Danforth Campus. It is free and open to the public.

‘For the Sake of All’ project gets community feedback

Jason Q. Purnell, PhD (left), lead researcher of a landmark multidisciplinary study on African-American health and well-being in St. Louis called “For the Sake of All,” actively engaged with community members March 18 at the Forest Park Visitors Center. The yearlong study held an open house to solicit feedback on the research.

Pow Wow takes place April 5

The 24th annual Pow Wow, a festival of American Indian cultures at Washington University in St. Louis, will be held Saturday, April 5, in the Field House on the Danforth Campus. The event, hosted by the Kathryn M. Buder Center for American Indian Studies at the Brown School, is free and open to the public.
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