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• Patterns in sand dunes explained February 6, 2012
  In a study of the harsh but beautiful White Sands National Monument in New Mexico, researchers have uncovered a unifying mechanism to explain dune patterns. The new work represents a contribution to basic science, but the findings may also hold implications for identifying when dune landscapes like those in Nebraska's Sand Hills may reach a "tippin […]
• Why common tree is toxic to snowshoe hares February 6, 2012
  Biologists have uncovered why the chemical defenses in birch, a common type of tree found in North America, are toxic to snowshoe hares. […]
• School Closures Slow Spread of pH1N1 February 6, 2012
  Using high-quality data about the incidence of influenza infections in Alberta during the 2009 H1N1 flu pandemic, the researchers show that when schools closed for the summer, the transmission of infection from person to person was sharply reduced. […]
• Domestic cats, and wild bobcats and pumas, living in same area have same diseases February 6, 2012
  Scientists found evidence that domestic cats and wild cats that share the same outdoor areas in urban environments also can share diseases such as Bartonellosis and Toxoplasmosis. Both can be spread from cats to people. […]
• A bug's (sex) life: Diving beetles offer unexpected clues about sexual selection February 6, 2012
  Studies of diving beetles suggest sperm evolution may be driven by changes in female reproductive organs, challenging the paradigm of post-mating sexual selection being driven mostly by competition among sperm. In the process, the researchers discovered an unexpected and stunning variety of sperm form and behavior. […]