A new study has shed unprecedented light on the highly variable and climate-sensitive routes that substances from Siberian rivers use to travel across the Arctic Ocean. The findings raise fresh ...

BACKGROUND: Few middle-aged and older adults engage in regular leisure-time exercise. Incidental physical activity (IPA) encompasses activities of daily living outside the leisure-time domain. No dose ...

Tapping a pen, shaking a leg, twirling hair—we have all been in a classroom, meeting, or a public place where we find ...