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Resurrection Ecology Gives Life to Old Eggs

Ant writes "ABC News reports that scientists are bringing the past to life by hatching eggs once thought to be dead and producing colonies of animals as they existed decades ago. They are calling it 'resurrection ecology,' and it's a whole new field that quite literally allows scientists to observe evolution as it occurred, using animals that were quite different than their kinfolk today."

9 of 582 comments (clear)

  1. woohoo by iosmart · · Score: 4, Informative

    More SEA MONKEYS!
    http://ut.water.usgs.gov/shrimp/ "The life cycle of Artemia begins from a dormant cyst that contains an embryo in a suspended state of metabolism (known as diapause). The cysts are very hardy and may remain viable for many years if kept dry."

  2. Not Dead, Dormant. by Omkar · · Score: 4, Informative

    As the article says (in the headline, at least), scientists made dormant eggs hatch by putting them under the right conditions. "They found that eggs that had been trapped beneath the sediment years ago had never hatched, but miraculously, were still alive."

    It may be a landmark - I have no idea - but it's not resurrection.

  3. Re:evolution is "just" a theory because.... by Stregone · · Score: 4, Informative

    The Theory of Evolution is not about wether evolution exists or not, it is about the process by which it occurs. It is a fact that evolution exists and happens, in the same way that gravity exists and various theories about gravity are not theories about the existence of gravity, but how it happens. The LAW of gravity does not state anything about what causes gravity, it simply describes the effect of gravity.

  4. Re:Finally! by Anonymous Coward · · Score: 5, Informative

    But speciation has been observed. The Australian Eastern Rosella had a range extending from near Adelaide in South Australia to the Macpherson Ranges in SE Queensland. The sprcies had a continuous variation in colouring though this range from SW to NE. You could take a pair of birds of opposite gender and they would mate without needing any particular prompting.

    In the 1930's the Murrumbidgee Irragation Project destroyed a large slab of habitat in the center of the range of the bird. There were now two populations of Eastern Rosellas. In each group colouration tended to the mean of each region, with the result that now birds of opposite gender from the two regions will not interbreed without major human intervention (colouring the birds, or feeding them sex hormones etc).

    Given that the definition of species is a population of organisms that will mate and reproduce spontaneously under natural conditions, the Eastern Rosella is a text book case of Speciation, as outlined in the Origin of Species.

    The "no new species have been observed" objection is dead in the water. Note also that we're not talking about plankton or bacteria or virus here - we are talking about a parrot a bit bigger than a pidgeon.

  5. Re:Finally! by Anonymous Coward · · Score: 3, Informative
    Also, show me a mutation that was for the better of the species. All of the mutations I have heard about have been for the worse.

    Ok, I'll feed your troll. Read up on "sickle cell anemia" and how the people who carry this mutation almost always live normal healthy lives -- with the added bonus they don't die of malaria.

    Now the reason you haven't heard about this is because you've been wandering around with wads of cotton in your ears for your entire life. If you'd actually taken them out for long enough to pay attention in biology class you'd have heard about this and a hundred other mutant adaptations in the human race.

  6. look harder by tehdaemon · · Score: 3, Informative
    His example is not a 'possible exception' There are dozens like it. Google for 'ring species' for starters.

    As for the difference between unwilling and unable, give it time. Any reasonable estimate as to how long such an event would take runs into hundred(s) of generations. We simply haven't had enough time for one to take place. Now, you can prove that it has taken place, but you have to accept genetic evidence for it. There is tons of genetic evidence for 'speciation' that has resulted in 'unable' but creationists don't seem to be willing to accept such genetic evidence.

    --
    Laws are horrible moral guides, moral guides make even worse laws.
  7. Re:Your bar seems a little low. by Anonymous Coward · · Score: 4, Informative

    I refer you to http://www.birdsaustralia.com.au/aoc/ , in the 2001 conference, paper 61 "Evolutionary Isolates and Cryptic Species in Australian Birds, Basis Nature: What to call Species" for a reasonably recent discussion of this issue.

    However I was first aware of this in 1992, I can't recall the original source, but it was fairly well known in Population Ecology Circles in Australia at the time.

    I can also refer you to www.geocities.com/pb56_au/mtbuffalo/ student/activities/speciation.PDF which illustrates the debate on this issue. Note that the species in central NSW have vanished, so in the map in this document imagine varieties that filled the concave side of the curved range shown.

    You are of cource correct that my "definition" was too lax, and I'll accept your correction on this. It doesnt dilute the point I was making however.

  8. Adaptation is part of evolution by MichaelPenne · · Score: 3, Informative
    that it occurs is evidence of evolution in action, lots of adaptation leads to speciation.

    Also, show me a mutation that was for the better of the species.

    Pesticide/herbicide resistence, happens with increasing frequency. Predicted by evolution: change the environment and a mutation that confers an advantage in dealing with the new environment will rapidly spread through the population.

    Scientists are worried as this single mutation unexpectedly provides the fly (Drosophila melanogaster) with resistance to a range of commonly available, but chemically unrelated, pesticides.

    Researchers at the University of Melbourne and the Centre for Environmental Stress and Adaptation Research (CESAR) that made the discovery believe the mutation arose in Drosophila soon after the introduction of DDT and has since spread throughout the world.
    http://www.innovations-report.com/html/reports/a gricultural_sciences/report-13238.html

    Them pesky biologists! Cut their funding, that'll teach 'em to contradict your gut feelings about the world!
  9. Re:You do know that gravity doesn't exist right? by Drooling+Iguana · · Score: 3, Informative
    If you take the time period 'day' in Creation as symbolical (eg replace it by 'a long period of time') you get all in all a pretty accurate recount of the current 'scientific' belief of how earth and finally we came to pass...

    No you don't. The order's all wrong. Genesis says that the Earth was around before the Sun (and that daylight, as well as the seperation of day and night, also existed in the absense of a sun.) I believe that it also states that birds appeared before land animals, but I don't have a copy on hand to check.
    --
    ... I'm addicted to placebos