size does matter (when it comes to brain and you are a female little fish)

The third episode of @sciencemug's podcast tells you, in Engh?ish, that size does matters, as usual. At least when it comes to brains and the ability of surviving predators' attacks and when you are a female, hence not a male, of Poecilia reticulata, a species of small tropical fishes called guppies. The discovery, made by a group of scientists from the universities of Stockholm and Vienna, is reported in the journal Ecology letters, right after the one of a Malaysian cayman that reads the tarot cards (naaa, just joking, it can only play black jack...) Read the text here: http://goo.gl/JAHV54 ciaz SM