Polar bears unmotivated by tawdry marketing gimmick

Zoo solves mystery of celibate polar bears

Excerpt:

Puzzled zookeepers in northern Japan have discovered the reason why their attempts to mate two polar bears kept failing: Both are female.

Comment: I had that problem with hamsters once. But then again I was 9! (My own feeble attempt to draw traffic to my blog by a tawdry marketing gimmick!)