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tetzoo.com | ||
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peerj.com
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| | | | | Attempts to reconstruct the neutral neck posture of sauropod dinosaurs, or indeed any tetrapod, are doomed to failure when based only on the geometry of the bony cervical vertebrae. The thickness of the articular cartilage between the centra of adjacent vertebrae affects posture. It extends (raises) the neck by an amount roughly proportional to the thickness of the cartilage. It is possible to quantify the angle of extension at an intervertebral joint: it is roughly equal, in radians, to the cartilage th... | |
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dmrbooks.com
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| | | | | The Land That Time Forgotuses science to build the world of Caspak, but the foundations are pure adventure. Edgar Rice Burroughs combines all sorts of wild concepts into a ripping yarn worthy of any adventure fan's library. A century later, it is still by no means 'forgotten'. | |
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www.jonathancrowe.net
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tetzoo.com
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| | | I really like ducks, and my god there's a lot to say about them. Here, we look at a small Hawaiian duck that once stood on the very precipice of extinction, some sources saying that it was reduced to a single individual at one point. I speak, of course, of the famous Laysan duck Anas laysanensis... | ||
