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  • Sizing Up the Brain Gene By Gene

    Sizing Up the Brain Gene By Gene

    Lecture

    (59 min 32 sec) Recent advances in DNA sequencing technology have led to a better understanding of the many genes that play a role in brain development.

  • Building Brains: The Molecular Logic of Neural Circuits

    Building Brains: The Molecular Logic of Neural Circuits

    Lecture

    (58 min 29 sec) How a nerve cell gets its identity, sends axons, and makes connections with other cells.

  • Coaxing Embryonic Stem Cells

    Coaxing Embryonic Stem Cells

    Lecture

    (58 min 25 sec) In cloning, a cell's genetic machinery is reprogrammed. Can we similarly coax stem cells to become specific cell types?

  • Understanding Embryonic Stem Cells

    Understanding Embryonic Stem Cells

    Lecture

    (58 min 27 sec) An overview of embryonic development, the progressive differentiation of cells, and properties of embryonic stem cells.

  • Potent Biology: Stem Cells, Cloning, and Regeneration

    Potent Biology: Stem Cells, Cloning, and Regeneration

    Lecture

    Doug Melton and Nadia Rosenthal are leaders in stem cell research, working primarily with mouse and human tissue. They will discuss where embryonic and adult stem cells come from and the biology of how they supply the cells the body needs.

  • Deciphering the Language of Sex

    Deciphering the Language of Sex

    Lecture

    (58 min 51 sec) Is it a boy or a girl? Dr. David Page looks at how we define male and female and summarizes the development of human sex characteristics.

  • How the Host Avoids "Friendly Fire"

    How the Host Avoids "Friendly Fire"

    Lecture

    (58 min 30 sec) Normally the trillions of lymphocytes in the human body do not attack their host.