Just like every other creature, bacteria have evolved creative ways of getting around. Sometimes this is easy, like swimming in open water, but navigating more confined spaces poses different ...

Since the days of Charles Darwin, evolutionary biologists have widely believed that most new species form because they've adapted to different environments—but a new University of Toronto study ...

Environmental change doesn’t affect evolution in a single, predictable way. In large-scale computer simulations, scientists discovered that some fluctuating conditions help populations evolve higher ...

In the classic “run-and-tumble” movement pattern, bacteria swim forward (“run”) in one direction and then stop to rotate and reorient themselves in a new direction (“tumble”). During experiments where ...