#hand evolution

[ianmiller42]

More on Where Are The Aliens

Patrice Ayme wrote a very long comment in response to my post “Where are the Aliens?” so this post responds to some of the points made. I shall leave the first until last. The first question is what is the probability of getting multi-cellular animals? Whether the point that it took four billion years to get to animals is important depends on what happened during that four billion years, and how…

[thoughtlessarse]

Human hands may be more primitive than chimp's. Human hand proportions have changed little from those of the last common ancestor (LCA) of chimpanzees and humans. These findings indicate that the structure of the modern human hand is largely primitive in nature, rather than the result of selective pressures in the context of stone tool-making.

[lianaquill]

http://tinyurl.com/m9j3qpu