In the old days, glaciers really WERE clever......

Have I unleashed a whirlwind here?  Who knows what glaciers will be blamed for next?  I thought I knew their abilities fairly well, but maybe in the good old days, long long ago, they were capable of far more than us poor mortals can appreciate.

Von Daniken, give me the money and I will give you a story that will satisfy all those avid fans of yours.......