People living in the highlands and lowlands of Papua New Guinea have different frequencies of several Denisovan genetic variants, which may help them adapt to their local environmental conditions. The ...

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 ...

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 ...