Tag Archives: cell

Is it goodbye to “Primordial soup?”

Impact: Origin of Life    February 3, 2010
Over the years how many times have you encountered the term ‘primordial soup’ to explain the ferment in which life originated on Earth? The idea of a kind of organic broth in Earth’s early waters, struck by lightning, ultraviolet light, or some other catalyst, and producing slowly but surely the various compounds that eventually take [...]
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The race for safe stem cells

News: Stem Cells    October 22, 2009
I’m loath to call anything in science a ‘race,’ since modern society is being overloaded with the race metaphor (politics, for example). There is the example of Watson and Crick racing the Pauling team to nail down the shape of DNA, but on the whole ‘racing’ in science is usually at-a-distance, not foot-to-foot. However when [...]
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Hedgehogs over time – a new model

News: Cell Biology    October 1, 2009
Researchers at the California Institute of Technology (Caltech) have proposed a novel model that differs from a widely held hypothesis about the mechanisms by which developing animals pattern their tissues and structures. [Reference] Admittedly “Hedgehogs over time – a new model” is a catchy (if cryptic) headline; yet it’s reasonably accurate. Hedgehogs in this instance [...]
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