Where There Is No Light
Evolution Talk24 Apr 2023

Where There Is No Light

In 2015,a spelunker named Joachim Kreiselmaier discovered a troglobite, a species that lives in underground environments, in the Danube-Aach cave system in South Germany. This small, pale fish had an elongated body, large nostrils, and minuscule, non-functional eyes. It was the first species of cave fish found in Europe and was related to loaches from the nearby Danube River. These cave fish lost their eyesight and pigmentation not because they stopped needing them, but due to evolution by natural selection.

Evolution Talk is also a book! You can find links to Amazon, Barnes & Noble and others on the front page of EvolutionTalk.com, or call your local bookstore and ask them to order a copy.

Episoder(165)

Playing Dead

Playing Dead

If you've ever heard the phrase "play possum", you may know it means to feign death. It's real thing. Possums do it, as do sharks, ants, and a multitude of other animals. It's a defense mechanisms sha...

18 Sep 20239min

Why Teach Evolution?

Why Teach Evolution?

With the start of a new season of episodes, I thought it appropriate to revisit why I created this podcast in the first place with the question - "Why Teach Evolution?" Evolution Talk is also a book! ...

4 Sep 202311min

Summer Break

Summer Break

It's time for a summer break.  There will be some exciting new video content coming up as well.  You can keep up to date on all that is happening at Evolutiontalk.com !   Evolution Talk is also a book...

26 Jun 202355s

Did the Homo Naledi Bury Their Dead?

Did the Homo Naledi Bury Their Dead?

The Homo Naledi have been intriguing scientists since their discovery in 2013, challenging our understanding of early human life. In this episode, we explore the burning question: how did they end up ...

19 Jun 202312min

Nature's Halloween Party

Nature's Halloween Party

Dive into the mysterious world of Batesian mimicry, where harmless creatures masquerade as dangerous ones to survive. Journey with us from Britain's south coast, where hoverflies fool predators with w...

12 Jun 202310min

Gene Flow: The Recipe of Life

Gene Flow: The Recipe of Life

When a vibrant caravan of travelers arrives with new foods, traditions, and stories, a sleepy hamlet's culinary landscape is forever altered. We explore how this 'mixing of recipes' changes the DNA me...

5 Jun 20238min

The Bone Wars

The Bone Wars

Discover "Fossils, Feuds, and Fantastical Creatures: The Cope and Marsh Saga." Journey back to 1863 Berlin, where Edward Drinker Cope and Othniel Charles Marsh kickstart a rivalry for the ages. Origin...

29 Mai 202314min

Get 25% off the Evolution Talk Book until June 8!

Get 25% off the Evolution Talk Book until June 8!

You can get 25% off the Evolution Talk book at Amazon!  The discount is good until June 8th.  If you buy one let me know what you think! Have a great week! Rick Link to Evolution Talk book: https://am...

23 Mai 202327s

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