In today's image, we see an animal known as a tardigrade which is an example of an extremophile which can exist under conditions that would kill a human or most other life forms. These can survive decades with no food or water and can even survive for an extended time in the vacuum of space.

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This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day. You can use the archive link below the image to select the photo corresponding to the date of this podcast.

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