Dogs can smell when we're stressed, study suggests

The physiological processes associated with an acute psychological stress response produce changes in human breath and sweat that dogs can detect with an accuracy of 93.75%, according to a new study published this week in ...

What ancient dung reveals about Epipaleolithic animal tending

Tiny crystals in ancient animal dung serve as key evidence in a new analysis suggesting the possibility that hunter-gatherers at Abu Hureyra, Syria, may have tended small numbers of animals just outside their dwellings between ...

'Micro-breaks' from tasks show promise in boosting well-being

A review of 22 previously published studies suggests that taking micro-breaks—discontinuing a task for periods of 10 minutes or less—is generally associated with reduced fatigue and increased vigor. Patricia Albulescu ...

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