5 posts tagged with nature and evolution. (View popular tags)
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How can it be that there exists not a single example of a working wheel in nature?

How can it be that there exists not a single example of a working wheel in nature, which after all gave us (among other things) the eyeball?
posted by It ain't over yet on Sep 23, 2007 - 41 answers

Use of our Brain's Potential

If we can't use all of our brain's potential, why does that potential exist? [more inside]
posted by theholotrope on Mar 10, 2007 - 22 answers

Human vs Animal Brains:

What experiments have been carried out where animals perform better than us at particular cognitive tasks? [more inside]
posted by 0bvious on May 9, 2006 - 13 answers

Why consciousness??

Why did consciousness evolve? [more inside]
posted by 0bvious on Jan 25, 2006 - 39 answers

Examples of radioactivity in nature

Are there any animals that have evolved a use for radioactivity? If so, what ways is it used? If not, why has this not happened? [more inside]
posted by 0bvious on Nov 23, 2005 - 32 answers