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Dogs can tell fear from sadness — and scientists saw it in their brains

Dogs may understand our emotions more deeply than scientists realized. Brain scans show that happy human faces activate regions in dogs linked to higher-level processing and reward, suggesting that smiles carry special emotional significance for them.

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Improving stroke care and innovation

Improving stroke care and innovation

Every 40 seconds, someone in the U.S. has a stroke, according to the Centers for Disease Control and Prevention. Because stroke is a leading cause of long-term disability and death, there is a growing…

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