Topic: Acoustics & Sound

May 11, 2017 Human Noise in the Wilderness - Human-produced noise is adding significantly to the ambience in national parks.
March 21, 2017 Contagious Parrot Laughter - Rare New Zealand parrots start playing spontaneously when they hear certain calls.
February 15, 2017 Endangered Crow Calls - What happens to the calls of an endangered bird species when its only remaining members live in captivity?
February 13, 2017 Road Birds - Playing birdsongs near roads can entice birds to repopulate abandoned habitat.
February 8, 2017 Birdsong Warm-Ups - Songbirds, like people, may need to warm up their voices before they sing.
December 19, 2016 Coconut Rhinoceros Beetles - In a race against time, scientists attempt to stop an insect invader by using its own sounds.
November 23, 2016 Deafness & Brain Structure - The brain architecture for processing sound is the same in deaf people as in hearing people.
November 21, 2016 Musician’s Dystonia - Neuroscientists are looking for the roots of musician’s dystonia, a condition similar to writer’s cramp.
October 5, 2016 Dolphin Name Game - Each bottlenose dolphin makes up its own signature whistle early in life which functions much like a name.
September 28, 2016 Emotional Music - Music and speech use the same tonal qualities to evoke happy and sad emotions.
September 23, 2016 Bowhead Whale Songs - Bowhead whales in the Arctic Ocean sing a large variety songs to communicate with other whales.
September 22, 2016 Brain Voices - Scientists are beginning to reconstruct the words people hear based on electrical activity in their brains.
September 16, 2016 Hunting Bats - Noise caused by humans is invading natural ecosystems, but some animals have multiple sensory systems to deal with it.
August 22, 2016 Finch Warming Warnings - An Australian bird’s special call warns its unhatched chicks of a hot climate.
July 25, 2016 Humans & Honeyguides - African honeyhunters use a special call to get birds to lead them to the location of hives full of nutritious honey.
July 11, 2016 Sleeping Penguins - Just because they’re sleeping doesn’t mean penguins let down their guard.
June 22, 2016 Hospital Noise - Hospitals are noisy environments, but it doesn’t have to be that way.
May 26, 2016 Voice & Gender Perception - Subtle vocal cues lead us to perceive voices as feminine or masculine.
May 25, 2016 Vocal Fry - Why some popular singers express themselves with a bit of grit.
May 17, 2016 Mother’s Voice - Brain scans reveal the power of a mother’s voice on her child.
May 9, 2016 Vampire Bat Calls - Vocal communication between vampire bats who know each other helps them survive when they don’t get enough to eat.
April 28, 2016 Babies & Music - A new study suggests musical games with their parents could not only boost babies’ musical development, but could help them recognize speech patterns, too.
April 12, 2016 Communicating by Wing - Some birds use their feathers to produce loud sounds as part of elaborate mating rituals.
March 31, 2016 Thirsty Bats - How do bats find water in the dark?
March 2, 2016 Insects vs. Birds - The loud noise of insects causes some tropical birds to delay the onset of their morning song.
February 26, 2016 Robot Drum Arm - A robotic third arm helps drummers execute previously impossible percussion patterns.
February 25, 2016 Dialects & Society - While the media affect our vocabulary, our accents are a product of our community.
February 24, 2016 Female Songbirds - Female house wrens sing to defend their nest sites from intruders.
February 19, 2016 Children & Noise - Research suggests that children can’t filter out noise the way adults can, with profound implications for learning.
February 14, 2016 Children & Noise - Research suggests that children can’t filter out noise the way adults can, with profound implications for learning.
February 4, 2016 Singing Fruit Flies - Scientists listen in on fruit fly courtship calls to study the neural underpinnings of communication.
January 25, 2016 Casino Rats - Studying how rats respond to the same cues that encourage people to make unwise bets could lead to better treatments for problem gambling.
December 10, 2015 Knuckle Cracking - Cracking your knuckles sets off a tiny “firework explosion” in the joint.
December 3, 2015 Environment & Language Evolution - Do environmental variables like rainfall and vegetation shape the sounds of languages?
November 9, 2015 High-Tech Bee Monitors - Scientists monitor the health of bee colonies by analyzing the vibrations the insects make within their hives.
November 5, 2015 Invisible Frogs - A Science Update listener wants to know the identity of a nightly neighborhood noisemaker.
October 30, 2015 Alarm Call Mimics - A tiny Australian bird sets off false alarms to fool predators.
October 9, 2015 The Universal “Huh?” - Regardless of culture and language, conversations have a lot in common.
September 28, 2015 Ancient Hearing - Scientists re-create how our ancient ancestors heard their world.
September 7, 2015 Road Noise & Migratory Birds - Road noise negatively impacts migratory birds.
September 3, 2015 Handheld Navigator - A handheld navigation cube changes shape to guide users in the right direction.
August 19, 2015 Podcast for 19 August 2015 - ANCIENT ANATOMY (Encore Presentation) - What dental records from the Mesozoic era can tell us about the lives of dinosaurs. How humans are uniquely adapted to throw baseballs. Also: an automated nature recording system that's monitoring environmental change. And, could vaccinating children protect the elderly as well?
Whistled Turkish - A language researcher studies Turkish villagers who communicate through whistles.
August 17, 2015 Marmoset Baby Talk - A new study suggests baby marmosets’ calls change as they grow up - questioning more than 50 years of conventional wisdom about primate vocalizations.
July 17, 2015 The Screaming Brain - What qualities make screams so scary?
July 13, 2015 Bats & Pitcher Plants - The echo of a pitcher plant helps bats find safety and helps the plant get food.
July 9, 2015 My Virtual Dream - A neuroscientist crowd-sources brainwave data at musical events for her research.
June 29, 2015 Parrot Mimicry Circuit - A newly discovered brain structure in parrots hints at new mechanisms in brain evolution.
June 22, 2015 The Trouble with R - The letter “R” is one of the hardest sounds we learn to pronounce; now scientists think they’ve identified what makes it so tricky.
June 10, 2015 Historical Speech Acoustics - How did historical leaders once address crowds of thousands, unaided by modern amplification?