Rats isolated during the play period didn't approach peers uttering 50-kHz US calls ("laughing") but avoided them. http://link.springer.com/chapter/10.1007/7854_2015_410 …
10:34 AM - 17 Nov 2015
0 replies
0 retweets
1 like
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.