Sunday, February 22, 2015

Surviving by resisting change: living fossils

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The wonder of evolution is that although no organism is a complete living fossil, all are to some extent living fossils .           ...
Sunday, November 16, 2014

Climate modeling: there's no app for that—not yet

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Someday we may be able to say, “Climate modeling —there's an app for that. ”                                                       ...
Saturday, July 5, 2014

What do we know about precursors of the modern place-value systems for numerals?

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A place-value system for writing numerals consists of a fixed set of symbols (digits), including a cipher for zero. Each symbol has a defi...
Saturday, June 14, 2014

What is a biovermiculation or bioverm?

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A biovermiculation , frequently called bioverm , is a microbial community exhibiting a patterned growth within an extreme environment . ...

What is a biofilm?

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A biofilm is a community of microbes bound together in a viscous, gooey blob.                                                       ...

What are biosignatures?

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Biosignatures are visual or chemical clues that signal the presence of life, past or present, in places where scientists won't have...
Sunday, March 16, 2014

Don't dig new trenches: Complement your creative work by writing openly and understandably about mathematics

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Writing about mathematics offers freedoms of explanation that complement the dense texture of meaning captured by mathematical symbols. ...