linkedin post 2017-02-05 06:23:12

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MANY FALSE STARTS. "Instead of a stair-step, with humans at the top, we stand alongside the kangaroo and the platypus, each of us at the end of its own narrow road. If we look back, into the past, we can see those paths turn and branch and cul-de-sac. Go far enough, and our paths meet at a crossroads. But in between that common ancestor and ourselves, the road is littered with cousins that didn't quite make it." https://lnkd.in/dN-S25a View in LinkedIn
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linkedin post 2017-02-05 06:16:26

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MESSY BIOLOGY. "Biological messiness relates to infidelity, heterogeneity, stochastic noise and variation--both genetic and phenotypic--at all levels, from single proteins to organisms. Messiness comes from the complexity and evolutionary history of biological systems and from the high cost of accuracy. For better or for worse, messiness is inherent to biology. It also provides the raw material for physiological and evolutionary adaptations to new challenges." https://lnkd.in/dA6dYav View in LinkedIn
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linkedin post 2017-02-05 06:55:00

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HACKED MENAGERIE. "Why I love the most awkward, absurd, hacked-together species. The result is a remarkable menagerie of weirdness. Fish with eyes that migrate across their heads as they develop. Lizards that defend themselves by shooting three-foot streams of blood from their own eyes. Pigs with tusks that grow back toward their faces and occasionally grow so long that they fatally pierce the pig’s skull." https://lnkd.in/dkABWYn View in LinkedIn
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linkedin post 2017-02-07 07:10:43

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TWO HISTORIES. "Life is a dynamic process, and organismal structures disclose the history of the two principal levels of biological change: evolutionary and developmental. Vestiges (from the Latin vestigium, for footprint) reveal traces of prior states. Like actual footprints, vestiges offer glimpses of what was once there but is no longer present. In biological terms, they reveal former evolutionary and developmental conditions, and in this way they offer valuable keys to unlock the past." http://evolution-outreach.springeropen.com/articles/10.1186/s12052-014-0012-5 View in LinkedIn
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