Why do humans (and most mammals) have two nostrils instead of one? Seems redundant.
Given enough time and the right circumstances, would it be possible for non-land-based mammals to develop human levels of intelligence? What about non-mammals, land-based or otherwise? [more inside]
I'm looking for the origins and exact phrasing of the quote "every fossil is a transitional fossil." [more inside]
At a cocktail party last weekend, an Anthropologist was telling me about an experiment/study where people were shown videos of various animals preying on one another, and then measured their reactions. The findings, he contends, were that humans were largely more sympathetic to the deaths of animals more similar to themselves (i.e. sharing a more recent common ancestor). What is this study, what is this area of research called, and where can I read more about it? [more inside]
Bernard Williams had a pretty low opinion of evolutionary biology. Are there any essays where he directly or indirectly criticizes the field? What about 'Shame and Necessity'? [more inside]
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?