Changing how instrument-makers build violins could make them sound more like the lauded Stradivarius.
Try out this interactive map to hear the nonverbal expressions we use to convey 24 kinds of emotion.
"The science that goes into biomedical ultrasound and the science that goes into Navy sonar are nearly identical."
Traffic noise can really stress out frogs. But some have adapted to living with the stressful sound.
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