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2021

  • May

  • April

    • aphid

      Defense Mechanisms in Aphids Can Become a Double-edged Sword, Sharpened by the Seasons

      April 20, 2021

      Evolution is unfolding in real time within many natural animal populations and researchers are now observing how this influences biodiversity in the field. In a newly published study in Molecular Ecology a team of Drexel University scientists examined the biological variations in pea aphids, insects that reproduce frequently enough to evolve before our eyes, by tracing the prevalence of their protective endosymbiont, Hamiltonella defensa, which the insects use to ward off parasitoid wasps.

       

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  • March

    • a grid of photos showing environmental justice protesters, a forest fire, industrial pollution, and solar panels and wind turbines

      New Climate Change Minor Prepares Students for Solving One of the World’s Most Pressing Problems

      March 29, 2021

      Climate change is one of the most serious challenges facing humankind today, and in the coming decades it will impact every aspect of people’s lives and careers. Even though actions are being taken to reduce global emissions, today’s students will live through a period of rapid climate change that is without precedent in human history. To help prepare students to face these problems, the Department of Biodiversity, Earth and Environmental Science (BEES) will offer a new minor in Climate Change beginning in Fall 2021.

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