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MultimediaDNA CollectorScientist Sarah Tishkoff pulls together a database of African populations-one DNA sample at a time.
"Africa is one of the most genetically diverse regions of the world," observes scientist Sarah Tishkoff. Tishkoff, the David and Lyn Silfen University Associate Professor, ventures across savanna and forest collecting DNA samples from a cross-section of Africa's many ethnic groups. In this audio slide show, she discusses findings related to genetic mutations in African pastoral populations. |
RecentMind's Eye View. Penn psychologists identify neural correlates of visual and verbal cognitive styles. Virtual Mummy. Undergraduate Samantha Cox takes a new look at museum specimens using CT scan technology. Political Underground Railroad. A new book by historian Steven Hahn takes up the hidden history of African American politics and the politics of writing history. Series60-Second Lectures Dean's Forum SAS Frontiers Penn Back Then |

