"Darwinian Evolution In Fast-forward"

Good piece here from the always incisive Carl Zimmer on the recent (not-very-surprising) news of weeds developing resistance to Monsanto's widely-used Roundup herbicide (so-called "superweeds"):

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Global Warming and Evolution

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Fireflies On The Make

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How Does Anaesthesia Work?

Carl Zimmer on var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));Carl Zimmer on anaesthesia and consciousness here.try {var pageTracker = _gat._getTracker("UA-7602120-1");pageTracker._trackPageview();} catch(err) {}