What's in a tear? It depends why it was shed.
Brain imaging reveals distinct patterns in the brains of eight survivors of a near catastrophic flight.
Flies experience fear similar to the way that we do, and even need to calm down after an angry human or other threat scares them.
With a brief glance, your dog can figure out your mood.
Seahorses growl when grouchy, with researchers now wondering what additional sounds these and other tiny marine life make. Continue reading →
Is something sneaking up on you? It doesn't even have to be sneaking, for us to be afraid of it. Turns out humans have closeness issues. Tara reports.
Facial expressions play a big role in reinforcing threats, reports a new study. Continue reading →
Michelangelo's Moses has stony eyes, but they can arouse strong emotions in those looking at them.
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