There is currently wide interest in the physical activity of children, but little understanding of its control. Here, we use accelerometers to test the hypothesis that habitual activity in young ...

Variation in phenotypic traits that contribute to fitness influences a population’s evolutionary response and its impact on ecosystem function following environmental change, yet its amount and nature ...

Plant scientists have provided a new solution to an old debate on why species hybrids can be more vigorous than their parents. The researchers found a type of genetic "noise" caused by a surprising ...