Playing Dead
Evolution Talk18 Sep 2023

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 shaped by evolution.

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Music in this Episode

Episoder(165)

Altruism

Altruism

Where does altruism come from? How did it evolve in a world ruled by 'selfish genes'?

4 Mai 201518min

Survival of the Fittest?

Survival of the Fittest?

The term 'Survival of the Fittest' was unleashed on the world in 1864 by Herbert Spencer when he published his work Principles of Biology. It was later picked up by Charles Darwin who used it himself ...

27 Apr 201513min

Putting the Selection in Sex

Putting the Selection in Sex

For Charles Darwin, the idea of sexual selection explained a lot of what he saw in the animal kingdom. He gave sexual selection just as much importance as natural selection.

20 Apr 201513min

Warm Blooded Dinosaurs

Warm Blooded Dinosaurs

In 1986 Professor Robert Bakker, a paleontologist, published 'The Dinosaur Heresies'. According to Professor Bakker there have been waves of extinction, and these extinction events mainly attacked, or...

13 Apr 201510min

Where Are the Dinosaurs?

Where Are the Dinosaurs?

What killed off the dinosaurs? There are many competing theories yet there is no 'smoking gun'. There is evidence however, and with each bit of evidence comes another theory. Dinosaurs didn't disappea...

6 Apr 201513min

A Whale of a Tale

A Whale of a Tale

Today's episode of Evolution Talk is brought to you by all of those animals out there who exhibit vestigial features (which is pretty much every animal out there). Our DNA contains traces of our past ...

30 Mar 201512min

An Interview With Charles Darwin

An Interview With Charles Darwin

To mark the occasion of Evolution Talk's 30th episode, Rick Coste steps into the past to interview Charles Darwin.

23 Mar 201515min

Mistakes Were Made

Mistakes Were Made

In the X-Men movies the X-Men are mutants. Mistakes were made during DNA replications that brought out features and abilities which were not present in the population prior to their births. Defects wh...

16 Mar 201510min

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