Big brains are pricey, guppy study shows
Thursday, January 3, 2013 - 19:00
in Biology & Nature
Bigger brains can make animals, well, brainier, but that boost in brain size and ability comes at a price. That's according to new evidence reported on January 3rd in Current Biology, a Cell Press publication, in which researchers artificially selected guppies for large and small brain sizes.