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Comment: Re:Margin of Error (Score 1) 140 140

Well, not that I have checked, but perhaps they can tell that specimen A is older than specimen B by a significant amount due to the stratigraphy of the specimens, even though they can't say how old specimen A or specimen B is with any great precision.

Comment: Re:PBS covered this... (Score 1) 140 140

Sorry, microraptor (covered in the nova story) dates from the early Cretaceous, well after Archaeopteryx. This new find dates from the late Jurassic but pre-dates Archaeopteryx finds. This fossil was just found this year. Not every four winged dinosaur with feathers is the same. Jeeze.

Experiments must be reproducible; they should all fail in the same way.