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Penn Veterinary Researchers Identify a Critical Growth Factor That Stimulates Sperm Stem Cells to Thrive
PHILADELPHIA –- Researchers at the University of Pennsylvania School of Veterinary Medicine and Pennsylvania State University have identified for the first time a specific “niche factor” in the mouse testes called colony stimulating factor 1, Csf1, that has a direct effect on sperm stem cell self-renewal. Moreover, the study shows that the origin of this growth factor is the Leydig cell — located in the testes and stimulated by the pituitary gland to supply testosterone — that secretes Csf1 and enhances self-renewal of the stem cells.
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Penn Hosts Conference on Virtual Worlds for Education: The Future of Technology Use in Learning
PHILADELPHIA — The University of Pennsylvania’s Graduate School of Education is hosting a March 12-13 workshop, “Taxonomy of Virtual Worlds for Education,” designed to bring together teachers, students, researchers and technology providers to brainstorm the ideal virtual world software system for science, technology, engineering and math learning.
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'Not your father's recession'
Paul Krugman wants you to know that the current economic downturn is not your father’s recession. It’s more like your grandfather’s. As he explained to a packed Irvine Auditorium on Feb. 18, this is a slump unlike any we’ve seen for several generations.
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Best of the best
Photo credit: Candace diCarlo As an undergraduate at Indiana State University, Andrew Porter tried his hand at chemistry. It didn’t take, so he turned next to mathematics.
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West Philly Tool Library
WHAT: The West Philly Tool Library is a lending library for home and garden tools. WHERE: The Library is located at 4620 Woodland Ave. It is open on Tuesday and Thursday evenings from 6:30 to 8:30 p.m., and on Saturday mornings from 9 a.m. to 2 p.m.
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New look for Penn Reading Project
By The Current Staff Courtesy of the Philadelphia Museum of Art The Penn Reading Project is going visual. The University has announced that the 2009-2010 PRP will focus not on a text, but rather Thomas Eakins’ painting, The Gross Clinic. This will be the first year that the PRP will use a painting as its subject.
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Staff Q&A/Karlene Burrell-McRae
Photo credit: Mark Stehle In Swahili, a language popular in east Africa, Makuu means “home” or “headquarters.” Staying true to its namesake, Makuu, Penn's Black Cultural Center, provides a headquarters for students of African or Caribbean descent—a place they can call home.
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Experts weigh in on economic crisis
As governments around the world work to prevent their economic houses from collapsing, a group of distinguished Penn faculty came together Feb. 17 to assess the situation and begin imagining what the world will look like after the recession ends.
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Helping high-schoolers learn the ropes
Paul Haraf says climbing is about making the impossible seem possible. It’s also about empowering people—and giving them the unique thrill of walking on the edge. Even though, really, they’re completely safe.
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Carnaval Time!
The band Alô Brasil celebrated Carnaval with one of its typically colorful, dance-and-drum-heavy shows at World Cafe Live last month. Photo credit: Mark Stehle