Hard to believe it's the end of another week. Here are my picks for top science news:
Genetic variation plays role in kindness
Smart swarms of bacteria inspire robotics researchers
Bats change ear shapes, making their hearing more flexible
Researchers reveal potential treatment for sickle cell disease
Prairie soil may provide answers to countering climate change
Mimicking the brain, in silicon
That's it for now. Enjoy your weekend. I'll be posting on Sunday for the blog chain, so stop on by if you're online.