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Tag: Human Biology

TED: Rob Knight | How our microbes make us who we are

Rob Knight is a pioneer in studying human microbes, the community of tiny single-cell organisms living inside our bodies that have a huge — and largely unexplored — role in our health. “The three pounds of microbes that you carry around with you might be more important than every single gene you carry around in …

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Cambridge University: Fragile bones from physical inactivity since invention of farming

New research across thousands of years of human evolution shows that our skeletons have become much lighter and more fragile since the invention of agriculture – a result of our increasingly sedentary lifestyles as we shifted from foraging to farming.  

Geraldine Hamilton: Body parts on a chip

FILMED JUN 2013 • POSTED DEC 2013 • TEDxBoston 2013 It’s relatively easy to imagine a new medicine, a better cure for some disease. The hard part, though, is testing it, and that can delay promising new cures for years. In this well-explained talk at TED, Geraldine Hamilton shows how her lab creates organs and …

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Suzana Herculano-Houzel: What is so special about the human brain?

FILMED JUN 2013 • POSTED NOV 2013 • TEDGlobal 2013 The human brain is puzzling — it is curiously large given the size of our bodies, uses a tremendous amount of energy for its weight and has a bizarrely dense cerebral cortex. But: why? Neuroscientist Suzana Herculano-Houzel puts on her detective’s cap and leads us …

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BBC: Human Mammal, Human Hunter – David Attenborough – Life of Mammals

Human beings are a particular type of mammal. In this compelling clip, we see a tribesman runner pursue his prey through the most harsh conditions in a gruelling eight hour chase. Thought provoking content from the BBC’s Life of Mammals documentary series. Narrated by the exceptional David Attenborough, British zoologist, author and host of several …

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The Origin of Us – Fossils of Modern Humans Interbreeding within and outside of Africa

Some enduring questions of human origins is when, where and how we “Behaviorally Modern Humans” emerged and why and how we eventually replaced all the other human-like species. This series hosted by The University of California takes a fresh look at the situation today with a critical examination of the available evidence from multiple sources. Chris …

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UCLA: Lyn Wadlay | The Origin of Us: African Climate of the Last 400000 Years East African and South African Evidence

One of the enduring questions of human origins is when, where and how we “Behaviorally Modern Humans” emerged and why and how we eventually replaced all the other human-like species. This series hosted by the University of California with Rick Potts (Smithsonian Institution) leads off with a talk about African Climate of the Last 400,000 Years, …

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UCLA: Sarah Tishkoff | CARTA | Culture-Gene Interactions

There are individuals who maintain the ability to digest milk into adulthood due to a genetic adaptation in populations that have a history of pastoralism. Sarah Tishkoff from the University of Pennsylvania presents her latest studies of the genetic basis of lactose tolerance in African pastoralist populations. Her team has identified several mutations that arose …

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Nobel Week Dialogue: The Great Deal We Don’t Know and How to Discover It

  Nobel laureates and other experts discuss human biology in this session of round-table discussion.