Say It with Sound • 2017 • episode "S1E1" • Royal Institution Christmas Lectures: The Language of Life

Category: Nature

Sophie is joined in the theatre by chirping crickets, hissing cockroaches and groaning deer to reveal the very different ways that animals have adapted their bodies to send audible messages that are vital to their species. She also explores how and why the human voice evolved to become the most versatile sound producer in the natural world. She demonstrates what sound actually is and how it travels. Unpacking the power behind sound, she uses it to shatter glass and reveal how the human body can resonate in a way that amplifies our voices to send our messages further. She also explores how different species use very different frequencies to communicate and why humans can only hear a fraction of these animal messages. Finally, she investigates why we all have unique vocal prints, and how computers are learning to recognise these.

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Royal Institution Christmas Lectures: The Language of Life • 2017 • 2 episodes •

Say It with Sound

Say It with Sound

Sophie is joined in the theatre by chirping crickets, hissing cockroaches and groaning deer to reveal the very different ways that animals have adapted their bodies to send audible messages that are vital to their species. She also explores how and why the human voice evolved to become the most versatile sound producer in the natural world. She demonstrates what sound actually is and how it travels. Unpacking the power behind sound, she uses it to shatter glass and reveal how the human body can resonate in a way that amplifies our voices to send our messages further. She also explores how different species use very different frequencies to communicate and why humans can only hear a fraction of these animal messages. Finally, she investigates why we all have unique vocal prints, and how computers are learning to recognise these.

2017 • Nature

The Word

Sophie looks at one skill in particular that seems to give humans an advantage over all other animals - our superior talent for language. She explores what language really is, and how close other animals come to having it. She considers the world of primates and the theory that some apes may communicate through sign language, and reveals how, even in the womb, humans start to practise making the mouth movements needed for speech. But language isn't just a power to combine words. Professor Scott explores how we convey information through the tone of voice, our accents and the pace and pitch of our speech. But in a world when we regularly talk to computers, she also shows why scientists need to develop machines that can understand the subtleties of our speech. Finally, she looks at language in this digital age and explores the role that emojis play.

2017 • Nature

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