Frankly, it doesn't do much for me, but for what it's worth, here's a sample of a mouse's love song. (Soundbite of mouse singing) HANSEN: Timothy Holy is the lead author of the study, called ...

Inmates of the Chicago Industrial Home for Children at Woodstock were convinced last fortnight that a canary was loose somewhere in the building. Day after day they heard it chirp and trill. Day after ...