Rats Forgo Treats to Rescue a Distressed Cage Mate - D-brief
Another great rat experiment here - showing that, most of the time, rats will save a drowning friend over having a tasty chocolate treat.
If the helper had been in the pool previously, they were more likely to save their buddy.
As it happens, over the weekend, my son and I had to sit through a Powerpoint presentation by my daughter as to why she should get a pet rat. (All households work this way, don't they?)
This study, which I only read today, is helping her cause...