voices

Fish Have ‘Talked’ For 155 Million Years, And Now You Can Hear Their ‘Voices’

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All manner of croaks, chirps, and deep trombone moans permeate Earth’s waters, just like the cacophony of sounds that fill its forest air. For example, reefs are surprisingly noisy places, and many of the noisemakers are fish.   “We’ve known for a long time that some fish make sounds, but fish sounds were always perceived as … Read more

Hippos recognize the voices of their friends—and potential enemies | Science

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Even in The Depths of Sleep, Our Brains Are Alert to Stranger Danger, Says New Study

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Even as we slumber, our industrious brains continue working to keep us alive. They ensure our heartbeats and breathing remain on track, wash off the waste they’ve accumulated throughout the day, and sort and file our memories. Now it seems they achieve all this and more while also monitoring our surroundings for stranger danger, a new … Read more

Sleep: Unknown voices spark more activity in sleeping brain than familiar ones

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Unfamiliar voices seem to put the sleeping brain on alert in a way that familiar voices don’t Humans 17 January 2022 By Jason Arunn Murugesu Electroencephalography (EEG) is used to monitor brain activity Shutterstock / NPS_87 The sleeping brain is more active if it hears unfamiliar voices rather than familiar ones. The finding suggests that … Read more