Tom's SciCast

Tom Kennedy
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Let's explore the universe while pushing the limits of what we know with our imaginations, some speculation, and philosophy. A podcast about all things science. Stay Curious!

  1. 20.08.2025

    74. Astrobiology, natural laws of the universe, confronting bias.

    What is astrobiology? Why study astrobiology? I also discuss the age and scale of the universe, introduce some important laws of the universe, why Earth could be a template for understanding life in the universe, and discuss my own biases in astrobiology. Send us a text

    1 Std. 17 Min.

  2. 27.06.2025

    73. The Modern Synthesis of Evolution

    I explain how the Modern Synthesis led to our current understanding of evolution. I also discuss the current issues in evolution including epigenetics, horizontal gene transfer, and abiogenesis and the need for a unified theory of life.  Send us a text

    46 Min.

  3. 24.06.2025

    72. Sex, Sexual Reproduction, and Sexual Selection

    A continuation on the mechanisms of evolution with a focus on sexual selection. I also define, sexual reproduction, two sexes, sexual selection, and provide examples of sexual selection.  Send us a text

    54 Min.

  4. 22.06.2025

    71. Mechanisms of Evolution II: genetic drift, recombination, mutations

    I focus on the mechanisms of random evolution and how mutations and recombination not only cause evolution but are important sources of variation.  Send us a text

    55 Min.

  5. 22.06.2025

    70. Mechanisms of Evolution I: Natural selection

    In this podcast, I explain the different types of natural selection including directional selection, stabilizing selection, disruptive selection, balancing selection, and a brief introduction to sexual selection.  Send us a text

    42 Min.

  6. 21.06.2025

    69. What is a species?

    I explain why defining species is difficult and describe four species concepts including morphological, biological, polyphasic, and phylogenetic species concept.  Send us a text

    36 Min.

  7. 16.05.2025

    68. Cellular respiration

    This is Chapter 7 of my Bio for Health Sciences text book. I cover cellular respiration, including why it's important, the four stages of respiration, and finally a quick ending with fermentation.  Send us a text

    1 Std. 41 Min.

  8. 16.04.2025

    67. Energy, Membranes, Transport, and Metabolism

    This is Chapter 6 of my bio for health sciences text book. In this chapter, I cover a variety of related topics including: The structure and function of cell membranes, cellular transport (osmosis, diffusion, facilitated diffusion, and active transport), Energy, Redox reactions, and enzymes.  Send us a text

    2 Std. 6 Min.
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Let's explore the universe while pushing the limits of what we know with our imaginations, some speculation, and philosophy. A podcast about all things science. Stay Curious!

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  • Erstellt von
    Tom Kennedy
  • Jahre aktiv
    2020 - 2025
  • Folgen
    74
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    © 2025 Tom's SciCast
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    Tom's SciCast