Stellar fossils in meteorites point to distant stars
Nan Liu, research assistant professor of physics in Arts & Sciences, is first author of a new study in The Astrophysical Journal Letters that analyzes a diverse set of presolar grains with the goal of realizing their true stellar origins.
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Perspectives
Maffly-Kipp discusses Mormonism in West Africa
Laurie Maffly-Kipp, at the John C. Danforth Center on Religion and Politics, discusses how Church of Jesus Christ of Latter-day Saints pamphlets and other materials began circulating in West Africa many years before official missionary work began, as part of a lecture series on Mormon history.
‘These bacteria steal from iron and could be secretly helping to curb climate change’
Microbiologist Arpita Bose in Arts & Sciences discusses her work with electricity-eating bacteria in an episode of the podcast “60 Second Science.”
A Day Without Facebook
The social giant’s temporary disappearance means absolutely nothing, writes Paul Byrne, director of film & media studies.
Videos
Seeing exponential growth for what it is
Jeffrey M. Zacks, professor of psychological and brain sciences in Arts & Sciences, and of radiology at the School of Medicine, explains why we have such a difficult time with exponential growth and how to make its presentation easier to understand.
Bookshelf
What we don’t understand about poverty in America
“Poorly Understood: What America Gets Wrong About Poverty,” a new book by Mark Rank, a leading academic expert on poverty at Washington University in St. Louis, explores the idealized image of American society.