Quirks & Quarks for Jan. 30, 2016
The largest ocean-going crocodile, Looking into the brain of PTSD sufferers, Parrot tool use, The Rainforest Chorus, and Geo-engineering to remake the planet
Giant crocodile, PTSD and the Brain, Geo-engineering and more
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Theme music bed copyright Raphaël Gluckstein, Creative Commons License by-nc-nd-2.0