CONTENTS
October 2009
Running wheels, mouse huts, nesting material, gnawing objects—most facilities nowadays are embracing enrichment practices for rodents, but, as ALLA KATSNELSON reports, the consensus for what constitutes good practice—or even what constitutes enrichment at all—has remained elusive. Plus, could this added variability in enrichment practices between labs be affecting scientific data? |
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What accounts for the remarkable plasticity in
sex determination seen in many animals? In
some species of fish, all it takes is a glance to
cause an adult female to change her sex. BLANCHE
CAPEL at Duke University Medical Center proposes
a new model for mammalian sex determination,
based on an antagonistic signaling system. |
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Malaria kills around a million people each year, and mosquitoes have developed resistance to nearly every chemical thrown at them. ELIE DOLGIN spoke with researchers who are trying to circumvent this problem—indefinitely. But can such a tricky technique work? |
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EDITORIAL Memo to Moneybags COLUMN Collaborations: Challenging, but Key OPINION Tell Me a Story of Science NOTEBOOK Tiny tubers FOUNDATIONS Nuclear Degradation in the Lens, 1897-1899 PROFILE Genome Guru SCIENTIST TO WATCH Audrey Dussutour BIO BUSINESS Gulf State Gamble THE LITERATURE Cortical Crosstalk Hot paper in Genomics: You give me fever Hot paper in Population Genetics: Deconstructing structure Hot paper in Behavioral Neuroscience: Down memory lane LAB TOOLS Behavior in Action CAREERS Considering Consulting? |