Here are some of the most interesting posts I read on Science Blog this week:
The love hormone oxytocin is two-faced (it makes bad memories stronger)
30-year study finds no link between mercury exposure and autism-like behaviors
Computer chips that mimic the brain in real time
Harvard-MIT team controls genes with light
Evolution not driven by single beneficial mutation, but by group that includes "genetic hitchhikers"
Seeing snow in space: Caltech helps capture the first image of a frosty planetary disk ring
New evidence for warm-blooded dinosaurs
Paper-thin e-skin responds to touch by lighting up
Scientists confirm neutrinos shift between three interchangeable types
Epilepsy in a dish: clues to disease's origins, possible treatment
What if quantum physics worked on a macroscopic level?
First human tests of new biosensor that warns when athletes are about to "hit the wall"
New stem cell gene therapy gives hope to prevent inherited neurological disease
New app puts idle smartphones to work for science