Banner
    Giant Leap Surplus To Requirements Say Evolution Scientists
    By Patrick Lockerby | May 15th 2013 10:00 AM | 2 comments | Print | E-mail | Track Comments
    About Patrick

    Retired engineer, 60+ years young. Computer builder and programmer. Linguist specialising in language acquisition and computational linguistics....

    View Patrick's Profile
    Giant Leap Surplus To Requirements Say Evolution Scientists


    I must confess that to the best of my knowledge, no scientist used those precise words.  However, the research does indicate that what was previously thought to be a large change is the result of a few small steps.

    It appears that, in evolution, small steps can lead to giant leaps.

    In a newly published paper, scientists show that the human hip could have evolved from the equivalent bone structure of an ancestral fish in a few steps.

    In a study published in the journal Evolution and Development, Dr Catherine Boisvert of the Australian Regenerative Medicine Institute at Monash University, MacQuarie University's Professor Jean Joss and Professor Per Ahlberg of Uppsala University examined the hip structures of some of human's closest fish cousins.

    They found the differences between us and them are not as great as they appear - most of the key elements necessary for the transformation to human hips were actually already present in our fish ancestors.

    Dr Boisvert and her collaborators compared the hip development - bones and musculature - of the Australian lung fish and the Axolotl, commonly known as the Mexican Walking Fish.

    ...

    "Our research shows that what initially appeared to be a large change in morphology could be done with relatively few developmental steps."

    Read more >>

    From Ocean to Land: The Fishy Origins of Our Hips

    Comments

    logicman
    And in other evolution news:

    Living fossil re-writes evolution.  There you go, two loads of hype in one.  How irritating!  I expect better from National Geographic.

    Our own Gerhard Adam may be pleased to know that, yes, evolution applies to human artifacts, and that a new study provides the first evidence of natural selection shaping collective behavior in ants.

    The oldest ape and Old World monkey fossils have been unearthed in a riverbed in Tanzania, a new study reports, which should interest Robert H Olley who has recently written about monkeys and evolution in his article: Alfred Russel Wallace And The Inselaffen

    It's going to be a tough day for the anti-science Darwin haters.
    Gerhard Adam
    I was surprised at the article regarding ants.  Does anyone truly believe that natural selection is so simple minded that it's about hoarding?
    "Natural selection is not favoring the behavior that sends out the most ants to get the most food, but instead regulating foraging to hold back when conditions are bad," Gordon said. "This is natural selection shaping a collective behavior exhibited by the entire colony."
        http://phys.org/news/2013-05-evolution-ant-behavior.html
    What is startling is that anyone would think that it would.  I hate to be the bearer of bad, but obvious news, but this particular phenomenon is the entire basis of multicellular organisms.  What did they have in mind regarding "collective behavior"?
    Mundus vult decipi