Lab mice fear men but not women and that's a big problem for science(theverge.com)
theverge.com
Lab mice fear men but not women and that's a big problem for science
http://www.theverge.com/2014/4/28/5661118/lab-mice-fear-men-not-women-big-problem-for-science
1 comments
Extensive discussion here: https://news.ycombinator.com/item?id=7662464