'Extreme' plants grow faster in the face of stress

When faced with conditions that are too dry, salty, or cold, most plants try to conserve resources. They send out fewer leaves and roots and close up their pores to hold in water. If circumstances don't improve, they eventually ...

Cortisol in shelter dog hair shows signs of stress

Despite the good care, a shelter can be a stressful environment for dogs. Researchers at Utrecht University investigated if the amount of the hormone cortisol in hair indicates the levels of stress that dogs experience before, ...

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