Biopedia

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Biopedia

Biology is a fascinating subject which is well worth exploring. Its scope stretches from individual DNA strands and viruses to blue whales, metapopulations and the biosphere. We will shine the spotlight on a different biological concept in every episode. Topics I've covered in the past include the origins of cell theory, Dollo's law and the Anthropocene; however, there is still plenty more to discover. Our focus will range from the very smallest scales to the very largest; from virions to the Gaia hypothesis. So come and explore the fascinating world of biology, one episode at a time!

  1. 4D AGO

    98- Cryptic Species

    Quick correction: I call the episode on sibling species episode 37 in the audio, but it's actually episode 47! Way back in the early days of Biopedia, we discussed the concept of sibling species. Now, we're talking about cryptic species. Are these the same concept? Well, as we will see today, it's complicated... Sources for this episode: Allaby, M. (editor) (2020), Oxford Dictionary of Zoology. Oxford: Oxford University Press. Bickford, D., Lohman, D. J., Sodhi, N. S., Ng, P. K. L., Meier, R., Winker, K., Ingram, K. K. and Das, I. (2007), Cryptic species as a window on diversity and conservation. TRENDS in Ecology and Evolution 22(3): 148-155. Herron, J. C., and Freeman, S. (2015), Evolutionary Analysis. Harlow: Pearson Education Ltd. Hine, R. (2019), A Dictionary of Biology (Oxford Quick Reference), 8th edition, Oxford, Oxford University Press. Author unknown, Wikipedia (date unknown), Species complex (online) (Accessed 25/07/2024).

    6 min

  2. FEB 23

    97- The Hottest Summer in 2000 Years

    2023 was a warm year. But let's put it into context. To do that, a 2024 study looked at temperature and tree core data to assemble summer temperatures all the way back to 1 CE. As for the result- the title speaks for itself... Sources for this episode: Bianchi, G. G., & McCave, I. N. (1999). Holocene periodicity in North Atlantic climate and deep-ocean flow south of Iceland. Nature, 397(6719): 515–517. Büntgen, U., Myglan, V. S., Ljungqvist, F. C., McCormick, M., Di Cosmo, N., Sigl, M., Jungclaus, J., Wagner, S., Krusic, P. J., Esper, J., Kaplan, J. O., de Vaan, M. A. C., Luterbacher, J., Wacker, L., Tegel, W., & Kirdyanov, A. V. (2016). Cooling and societal change during the Late Antique Little Ice Age from 536 to around 660 AD. Nature Geoscience, 9(3): 231–236. Dull, R. A., Southon, J. R., Kutterolf, S., Anchukaitis, K. J., Freundt, A., Wahl, D. B., Sheets, P., Amaroli, P., Hernandez, W., Wiemann, M. C., & Oppenheimer, C. (2019). Radiocarbon and geologic evidence reveal Ilopango volcano as source of the colossal ‘mystery’ eruption of 539/40 CE. Quaternary Science Reviews, 222: 105855. Dytham, C. (2011). Choosing and Using Statistics: A Biologist’s Guide (3rd ed.). Wiley-Blackwell. Esper, J., Torbenson, M. and Büntgen, U. (2024), 2023 summer warmth unparalleled over the past 2,000 years. Nature 631: 94-97. Goosse, H., Crespin, E., Dubinkina, S., Loutre, M.-F., Mann, M. E., Renssen, H., Sallaz-Damaz, Y., & Shindell, D. (2012). The role of forcing and internal dynamics in explaining the “Medieval Climate Anomaly.” Climate Dynamics, 39(12): 2847–2866. Graham, N. E., Ammann, C. M., Fleitmann, D., Cobb, K. M., & Luterbacher, J. (2011). Support for global climate reorganization during the “Medieval Climate Anomaly.” Climate Dynamics, 37(5–6): 1217–1245. Lamb, H. H. (1965). The early medieval warm epoch and its sequel. Palaeogeography, Palaeoclimatology, Palaeoecology, 1(1): 13–37. Lowe, J., & Walker, M. (2015). Reconstructing Quaternary Environments (3rd ed.). Routledge. Mann, M. E., Zhang, Z., Rutherford, S., Bradley, R. S., Hughes, M. K., Shindell, D., Ammann, C., Faluvegi, G., & Ni, F. (2009). Global Signatures and Dynamical Origins of the Little Ice Age and Medieval Climate Anomaly. Science, 326(5957): 1256–1260. Matthews, J. A., & Briffa, K. R. (2005). The ‘little ice age’: re‐evaluation of an evolving concept. Geografiska Annaler: Series A, Physical Geography, 87(1): 17–36. Shi, F., Sun, C., Guion, A., Yin, Q., Zhao, S., Liu, T., & Guo, Z. (2022). Roman Warm Period and Late Antique Little Ice Age in an Earth System Model Large Ensemble. Journal of Geophysical Research: Atmospheres, 127(16): e2021JD035832.

    6 min

  3. FEB 12 · BONUS

    Darwin Day 2025- Charles Darwin Represented in Science Fiction

    A bit of an unusual one this year- I was recently given a Dr Who book featuring Charles Darwin. So, let's examine the historical details of this novella and see how they represented Darwin. Have they done him justice? Sources for this episode: TBA

    6 min

  4. FEB 9

    96- Ancestors versus Human Population

    Your number of ancestors double every generation. Two parents, four grandparents, and so on. If we compare these numbers to the total number of people alive on the planet as we go back in time, what do we find? And what do researchers say on the subject? Sources for this episode: Bell, S., Phys (2013), Researcher uses DNA to demonstrate just how closely everyone on Earth is related to everyone else (online) (Accessed 05/07/2024). Berger, B. M. (1960), How Long Is a Generation? The British Journal of Sociology 11(1): 10-23. Hershberger, S., Scientific American (2020), Humans Are All More Closely Related Than We Commonly Think (online) (Accessed 05/07/2024). Matsamura, S. and Forster, P. (2008), Generation time and effective population size in Polar Eskimos. Proceedings of the Royal Society B: Biological Sciences 275: 1501-1508. Murdock, N. H. (1998), Teenage Pregnancy. Journal of the National Medical Association 90(3): 135. Author unknown, Guiness World Records (date unknown), Oldest person to give birth (online) (Accessed 05/07/2024). Author unknown, Our World in Data (date unknown), Population, 10,000 BCE to 2021 (online) (Accessed 05/07/2024).

    5 min

  5. JAN 26

    95- Rewind: Fossil Fuels

    For a podcast which has talked several times before about global warming and climate change, we haven't addressed fossil fuels yet. So, let's redress that today! Sources for this episode: Hine, R. S. (2019), Oxford Dictionary of Biology (8th edition). Oxford: Oxford University Press. Kalair, A., Abas, N., Saleem, M. S., Kalair, A. R. and Khan, N. (2020), Role of energy storage systems in energy transition from fossil fuels to renewables. Energy Storage 3: e135. Ritchie, R. and Gent, D. (2015), A Level Chemistry for OCR A. Oxford: Oxford University Press. Author uknown, The Ohio State University (date unknown), Life on Mars: The Future of Human Adventure- Exploring Mars as a Solution to Earth's Problems (online) (Accessed 28/06/2024). Author unknown, Our World in Data (date unknown) Fossil fuels (online) (Accessed 28/06/2024). Author unknown, UMCP Berkeley (date unknown), The Carboniferous Period (online) (Accessed 28/06/2024).

    5 min

  6. JAN 12

    94- Galactic Cycles Part II

    In episode 71, we treated a galactic cycle of about 220 million years as a unit of time with which to view evolution. Today, we'll be picking up where we left off and seeing the story through all the way to the end- or rather, the beginning... Sources for this episode: Cox, B. and Cohen, A. (2013), Wonders of Life. London: HarperCollins Publishers. Emelyanov, V. V. (2001), Rickettsiaceae, Rickettsia-like Endosymbionts, and the Origin of Mitochondria. Bioscience Reports 21(1): 1-17. Herron, J. C., and Freeman, S. (2015), Evolutionary Analysis. Harlow: Pearson Education Ltd. Knoll, A. H. (2005), Life on a Young Planet: The First Three Billion Years of Evolution on Earth. Princeton: Princeton University Press. Thain, M. and Hickman, M. (2004), The Penguin Dictionary of Biology (11th edition). London: the Penguin Group. Wernegreen, J. J. (2012), Endosymbiosis. Current Biology 22(14): R555-R561.

    4 min

  7. 12/29/2024

    93- Biological Impacts of Chernobyl

    In 1986, the nuclear power plant at Chernobyl- then in the USSR, now in Ukraine- experienced meltdown. This disaster is one of the worst in nuclear history. However, there are some biological consequences we should explore. Sources for this episode: The Editors, Encyclopedia Britannica (2020), Chernobyl accident summary (online) (Accessed 29/05/2024). The Editors, Encyclopedia Britannica (2024), Half-life (online) (Accessed 31/05/2024). Ellegren, H., Lingren, G., Primmer, C. R. and Møller, A. P. (1997), Fitness loss and germline mutations in barn swallows breeding in Chernobyl. Nature 389: 593-596. Hine, R. S. (2019), Oxford Dictionary of Biology (8th edition). Oxford: Oxford University Press. Møller, A. P. and Mousseau, T. A. (2015), Strong effects of ionizing radiation from Chernobyl on mutation rates. Nature Scientific Reports 5: 8363. Weinberg, H. Sh., Korol, A. B., Kirzhner, V. M., Avivi, A., Fahima, T., Nevo, E., Shapiro, S., Rennert, G., Piatak, O., Stepanova, E. I. and Skvarskaja, E. (2001), Very high mutation rate in offspring of Chernobyl accident liquidators. Proceedings of the Royal Society B: Biological Sciences 268: 1001-1005.

    6 min

  8. 12/15/2024

    92- The UK Sand Eel Fishing Ban

    Recently in conservation news, the UK brought in a ban on sand eel fishing effective as of March 2024. This is connected to how important sand eel are to seabirds. However, as we will see today, there are political repercussions of such an announcement... Let's watch the political and the conservation worlds meet. Sources for this episode: Mitsilegas, V. and Guild, E. (2024), THe UK and the ECHR After Brexit: The Challenge of Immigration Control. European Convention of Human Rights Law Review 5(1): 116-131. Murphy, P. and Shoesmith, K., BBC (2023), Sandeel fishing ban a lifeline to seabirds (online) (Accessed 15/05/2024). Author unknown, European Commission (2024), EU requests consultations under Trade and Cooperation Agreement over UK's permanent closure of the sandeel fishery (online) (Accessed 15/05/2024). Author unknown, IUCN Red List of Threatened Species (online) (Accessed 31/05/2024). Author unknown, RSPB (date unknown), Big news for seabirds as campaign to close the English North Sea and Scottish waters to sandeel fishing succeeds (online) (Accessed 15/05/2024). Author unknown, Scottish Government (2024), The Sandeel (Prohibition of Fishing) (Scotland) Order 2024: business and regulatory assessment-final (online) (Accessed 15/05/2024).

    6 min
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About

Biology is a fascinating subject which is well worth exploring. Its scope stretches from individual DNA strands and viruses to blue whales, metapopulations and the biosphere. We will shine the spotlight on a different biological concept in every episode. Topics I've covered in the past include the origins of cell theory, Dollo's law and the Anthropocene; however, there is still plenty more to discover. Our focus will range from the very smallest scales to the very largest; from virions to the Gaia hypothesis. So come and explore the fascinating world of biology, one episode at a time!

Information

  • Creator
    Vince's Podcasts
  • Years Active
    2020 - 2025
  • Episodes
    118
  • Rating
    Clean
  • Copyright
    © Vince's Podcasts
  • Show Website
    Biopedia

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