Edwards suggests that's a tell-tale sign of a serious change in weather patterns.

CNN: Antarctica: On thin ice

Oh, and a tell-tale sign of this will be if a top selling book is about how to invest in IPOs.

FORBES: LinkedIn IPO: It's Not a Bubble!

In the European Parliament today, the tell-tale sign is the presence of a cute cuddly seal toy, sitting on someone's desk, or peeking winsomely out of their bag.

ECONOMIST: European politics