Economics of climate change difficult to assess

Economics of climate change difficult to assess

As an economist, academician and researcher steeped in such data and assessments, one Washington University in St. Louis expert wants to press the pause button on the worst-case-scenario numbers related to the National Climate Assessment that was released the day after Thanksgiving.
New maps hint at how electric fish got their big brains

New maps hint at how electric fish got their big brains

Washington University researchers have mapped the regions of the brain in mormyrid fish in extremely high detail. In a study published in the Nov. 15 issue of Current Biology, they report that the part of the brain called the cerebellum is bigger in members of this fish family compared to related fish — and this may be associated with their use of weak electric discharges to locate prey and to communicate with one another.
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