Browsing Month 'September, 2010'
Finding patterns and trends in the environment is an important natural human tendency. Without trends, for instance, Darwin may never have theorized about evolution. But the somewhat controversial question, especially now in the face of climate change, is “what do trends explain about the world?” Or a more specific example: do studies showing elevated global temperatures and sea level rise prove that one caused the other?
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The last time humans and the marine ragworm Platynereis dumerilii shared a common ancestor was roughly 600 million years ago, according to scientists from the European Molecular Biology Laboratory in Heidelberg, Germany (EMBL). That is, researcher have discovered a true counterpart of the cerebral cortex, also called the pallium, in this relative of the earthworm. This finding, explained the scientists, could be the key to unraveling the evolution of this important area of the human (and all vertebrates) brain.
Read more...An octopus that mimics toxic sea creatures, the tobacco plant sends out an SOS when attacked, the genetic differences between ant social castes, unusually high records of jellyfish swarms this summer and Simon Levin discusses the evolution of ecology and where it is headed next. Here are stories in ecology wrapping up the month of August.
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