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  • Courtship in Drosophila

    Various courtship songs produced by Drosophila species

  • Archaea

    Haloferax volcanii motility mutants stab-inoculated on a 0.3% agar motility plate. The “halos” and “rings” likely reflect the motility of this archaeon following gradients of attractant or repellent chemicals. 

  • Bacterial Respiratory Complex

    Structural model of a bacterial respiratory complex III: remember that when you respire, your complex III perspires to produce your body's energy.

  • Sea Anemone

  • Larix siberica

    Siberian Larch, taken at our field site near Lake Khovsgol in north-central Mongolia.  We are analyzing tree-ring width and stable isotopes of the tree rings to reconstruct climate, and Larch responses to climate change, over the past century as the temperature in Mongolia has risen.  

Biology is fundamental to our changing world. The 21st century challenge for our students, our scholars, and the greater society is to understand our place in this changing world and to create fundamental knowledge for informed policies, economies, and social structure.

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Upcoming Events



Seminar with Anna Nelson

Anna Nelson, Duke University
- | DRL 4C4


A neural circuit for male sexual behavior, drive, and reward

Dr. Nirao Shah, Stanford University
- | Leidy Room 10

Abstract: 

Mating behavior is fundamental to survival and propagation of a species. Despite its centrality to reproductive success, how the mammalian brain generates this primal behavior has been elusive. We…



Seminar with Tom Powers

Tom Powers, Brown University
- | DRL 4C4