Cows talk, and a new study has been listening

What is it about "moo" that you don't understand?

Image source: Bildagentur Zoonar GmbH/Shutterstock
  • 333 cow recordings reveal rich communications and unique individual voices.
  • Cows do more than vocalize to their calves — they share emotions with each other.
  • A better understanding of what cows are saying and feeling can help in the formulation of humane cattle-care standards.
Keep reading

Spotify will now create playlists for your pet

Your cat thinks your taste stinks. Also that you're mingy with the laser pointer.

Image source: Spotify/Big Think
  • Spotify has just announced a free playlist-creation site for pets.
  • Research suggests that animals have their own music preferences.
  • Hedgehogs possibly don't get enough respect.
Keep reading

Why we love big, blood-curdling screams

Among the variety of human screams, it is screams of terror that stand out most vividly.

John Springer Collection/CORBIS/Corbis via Getty Images

Of all the sounds humans produce, nothing captures our attention quite like a good scream.

Keep reading

Treatable brain inflammation may be behind tinnitus

Scientists may have seen a way to cure a maddening symptom of hearing loss.

Image source: Alex Iby/Unsplash/Big Think
  • A treatment for tinnitus – a constant ringing in the ears – has been frustratingly elusive.
  • Out-of-control inflammation, the brain's response to damage, may be the cause of long-term ringing in the ears.
  • A study that examined mice with noise-induced hearing loss seems to have found the neural trigger for tinnitus.
Keep reading

Has a black hole made of sound confirmed Hawking radiation?

One of Stephen Hawking's predictions seems to have been borne out in a man-made "black hole."

Image source: NASA/JPL-Caltech
  • Stephen Hawking predicted virtual particles splitting in two from the gravitational pull of black holes.
  • Black holes, he also said, would eventually evaporate due to the absorption of negatively charged virtual particles.
  • A scientist has built a black hole analogue based on sound instead of light.
Keep reading