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Showing 41-60 of 77 Resources
  • Stone Tools and the Evolution of Human Behavior

    Stone Tools and the Evolution of Human Behavior

    Lecture

    (58 min 31 sec) Stone tools are well-preserved evidence of past human activity.

  • Genetics of Human Origins and Adaptation

    Genetics of Human Origins and Adaptation

    Lecture

    (58 min 31 sec) Genetic evidence shows that humans evolved in Africa and continue to evolve.

  • Human Evolution and the Nature of Science

    Human Evolution and the Nature of Science

    Lecture

    (29 min 1 sec) How reasoning and evidence are used to understand human evolution.

  • Bones, Stones, and Genes: The Origin of Modern Humans

    Bones, Stones, and Genes: The Origin of Modern Humans

    Lecture

    Where and when did humans arise? What distinguishes us from other species? Did our distant ancestors look and behave like us?

  • Biology of the Mosquito Vector

    Biology of the Mosquito Vector

    Lecture

    (49 min 28 sec) This discussion from the 2010 Holiday Lectures on Science explores the ethics of genetically-modified organisms and other topics.

  • Solving SARS and Other Viral Mysteries

    Solving SARS and Other Viral Mysteries

    Lecture

    (58 min 33 sec) The SARS epidemic was successfully halted by a global research effort to identify a new virus.

  • Fighting Viruses in the Lab and Beyond

    Fighting Viruses in the Lab and Beyond

    Lecture

    (58 min 33 sec) Understanding the immune response is essential to developing safe vaccines for dengue and other diseases.

  • The Virus Hunter's Toolkit

    The Virus Hunter's Toolkit

    Lecture

    (58 min 33 sec) New technologies like the Virochip harness DNA's properties to identify and fight new viruses.

  • Dengue Fever: Breaking Epidemic Cycles

    Dengue Fever: Breaking Epidemic Cycles

    Lecture

    (58 min 33 sec) Learn about research aimed at thwarting dengue fever in the lab and in communities.

  • Viral Outbreak: The Science of Emerging Disease

    Viral Outbreak: The Science of Emerging Disease

    Lecture

    Watch two leading virus researchers explain how they use both simple and sophisticated technologies to detect and fight infectious agents.

  • Q&A on Cone Snails

    Q&A on Cone Snails

    Lecture

    (9 min 18 sec) In this ten-minute Q&A session, Dr. Olivera answers questions on cone snail behavior, venoms, and biodiversity.

  • Q&A on Quorum Sensing

    Q&A on Quorum Sensing

    Lecture

    (12 min 59 sec) In this 13-minute Q&A session, Dr. Bonnie Bassler answers questions on quorum sensing and other topics related to bacteria.

  • Biodiversity Discussion

    Biodiversity Discussion

    Lecture

    (1 hr 16 min 30 sec) A discussion on biodiversity, endangered habitats, and how best to preserve the Earth's ecosystems, presented by the lecturers along with Dr. E.O. Wilson and Dr. Eric Chivian.

  • Eavesdropping on Tiny Conspiracies

    Eavesdropping on Tiny Conspiracies

    Lecture

    (58 min 29 sec) The quorum sensing system is a target for a new class of drugs that interfere with virulence without killing bacteria.

  • Biodiversity at a Snail's Pace

    Biodiversity at a Snail's Pace

    Lecture

    (58 min 29 sec) Cone snails have evolved many different toxins for different uses. Total molecular biodiversity may number in the millions.

  • Shedding Light on an Invisible World

    Shedding Light on an Invisible World

    Lecture

    (58 min 29 sec) Bacteria are capable of communicating and coordinating their activities with a molecular signaling system called quorum sensing.

  • From Venoms to Drugs

    From Venoms to Drugs

    Lecture

    (58 min 29 sec) Venomous carniverous cone snails are a rich source of molecules for scientific research and potential drug development.

  • Exploring Biodiversity: The Search for New Medicines

    Exploring Biodiversity: The Search for New Medicines

    Lecture

    What medical secrets do venomous snails hold? How can listening in on bacterial conversations help develop new antibiotics? In four presentations, Dr. Bonnie L. Bassler and Dr. Baldomero M. Olivera reveal how a deeper understanding of nature and biodiversity informs their research into new medicines.

  • Neurobiology and Mental Illness

    Neurobiology and Mental Illness

    Lecture

    (1 hr 25 min 59 sec) The lecturers, joined by Dr. Kay Jamison of the Johns Hopkins University School of Medicine and Dr. Gerald Fischbach of the Simons Foundation, answer questions concerning autism, manic depression, and other mental illnesses.

  • Memories are Made of This

    Memories are Made of This

    Lecture

    (58 min 29 sec) The cellular and molecular nature of learning and memory, investigated in simpler sea slugs and more-complex mice. Molecular basis of Alzheimer's disease.

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