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2 years ago

Ep.51 – Tardigrades with Dr. Frank Smith

In this episode, we talk about the evolution of Tardigrades, where they live, and why we study them!

How did Tardigrades evolve? Where can we find them? Are there Tardigrades in Space? All this, and more, with Biologist Dr. Frank Smith!

  • (0:00:55) Tardigrades in concrete.
  • (0:01:35) Finding tardigrades: Moss, leaf litter and lichens.
  • (0:02:50) Marine tardigrades: The contraption and process for collection.
  • (0:05:54) Cryptobiosis and marine tardigrades.
  • (0:06:53) The study of land tardigrades vs marine tardigrades.
  • (0:08:16) Studying the diversity of tardigrades: The tardigrade meeting.
  • (0:09:16) Tardigrades in concrete: A lack of literature and study.
  • (0:09:55) Reinhart Christensen: Echiniscus Bigranualatist.
  • (0:12:01) Solving mysteries that pre-date the fossil record.
  • (0:13:33) Tardigrade fossils.
  • (0:16:11) Evolution of tardigrades: A big discovery.
  • (0:20:13) Arthropods vs Tardigrades: Does the trunk make a difference?
  • (0:21:53) Tardigrade's hind legs: Do they serve a purpose?
  • (0:24:25) Tardigrades: An entire diverse phylum.
  • (0:25:21) Do all tardigrades have eight legs and why did they develop this way?
  • (0:29:39) Losing the ability to evolve: Is that why tardigrades are so tough?
  • (0:32:06) Tardigrades vs Rotifers: Comparative studies.
  • (0:32:55) Simplicity can be better: Losing body parts in evolution.
  • (0:34:40) Tardigrade guts and how they work and eat.
  • (0:37:52) The evolution of a tardigrade's guts: Comparisons to other animals.
  • (0:41:40) Mapping the tardigrade genome.
  • (0:43:24) Editing the genomes in tardigrades: Is it possible?
  • (0:45:09) Tardigrades in space.
  • (0:47:34) Tardigrades on the moon: The experiment.
  • (0:48:33) A new puppy, dog parks and the DNA test.
  • (0:50:11) NBA playoffs, basketball and music.
  • (0:51:20) The similarities between artists and scientists.
  • (0:54:45) Tardigrade society meetings.

Visit the Smith Lab: https://franksmith.domains.unf.edu/ How to find Marine Tardigrades: https://tardigradehunters.weebly.com/marine-tardigrades.html Check out Creature Cast: http://creaturecast.org/ Visit Planet B612 on the web: http://planetb612.fm/ Follow Planet B612 on Twitter: https://twitter.com/PlanetB612fm