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By T. Ryan Gregory | October 12th 2009 09:28 PM | 5 comments | Print | E-mail | Track Comments
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About T. Ryan Gregory

I am an evolutionary biologist specializing in genome size evolution at the University of Guelph in Guelph, Ontario, Canada. Be sure to visit Evolver Zone


... Full Bio

I liked it.

Overall, I think the Discovery Channel did a good job of capturing the painstaking work that goes into scientific research, in this case spanning more than 15 years from discovery to publication. Some other quick thoughts:
  • This was not hype. If anything, it was pretty modest, given the amount and significance of the work involved. I didn't see the Darwinius special, but even the previews had me wincing.
  • Mike Rowe is an excellent narrator. I have enjoyed his work when I have watched Deadliest Catch and Dirty Jobs, but I would also like to see (er, hear) him on more specials like this in the future. Mike, if you happen to read this, nicely done.
  • The special did a fine job of emphasizing over and over what needs to be emphasized over and over: we are not descended from chimps, we share a common ancestor with chimps.
  • This isn't so significant as evidence for the fact of human evolution -- we had plenty of that before. This is an important find that illustrates more about the path of human evolution.
  • I am not sure I entirely see why Ardi necessarily shows that the common ancestor was not chimp-like (knuckle-walking and large canine teeth could have been lost after the split), but I will see if this is made more clear in the actual papers. Nonetheless, no one should have assumed the common ancestor must have been very similar to a chimp -- that assumption is based on a poor grasp of phylogenetics, basically.
  • The show could probably have been about 1/2 hour shorter. I enjoy seeing reconstructions, and I appreciate that they showed how this is done (I go through this briefly in one of my lectures as well, and I also liken it to forensic reconstruction). However, this did seem to imply a little more than I would have liked that coming up with a digital animation was the culmination of the work rather than an interesting aside.
  • They could have done without the just-so story about pair bonding and carrying food. I guess viewers would prefer some idea, and they did mention that there were many previous hypotheses, but if I had one significant complaint about the special it's that this part was really speculative and not up to the standard of the rest of the meticulous research depicted otherwise.

Comments

Since chimps are only ancestrial, what specific species do you considered to be transitional links to humans?

T Ryan Gregory's picture
I'm afraid I don't know what you're talking about -- chimps are not ancestral.

Only asked the question since you said "we share a common ancestor with chimps." But chimps are not ancestral to humans?

T Ryan Gregory's picture
Correct.  You share a common ancestor with your cousin (your grandparent), but your cousin is not ancestral to you. 


Hi T. Ryan Gregory,
I am agree totally agree with you.the Discovery Channel did a good job of capturing the painstaking work that goes into scientific research.Thanks for sharing informative information.....

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