Ye olde pathogen: Learning about evolution from ancient DNA

As long as humans have been around, there have been pathogens to make us sick. Some have achieved infamy in human history—the bubonic plague, for example, or smallpox—and with modern technologies, scientists can time-travel ...

Tree swallows expose state of our climate

For many of us, birds are an interesting distraction or a sign of spring. For Fran Bonier and her former master's student Amelia Cox, bird populations provide vital data about the health of the world. Their new research adds ...

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