The drowned sailors, you see, are the silent evidence.
If they were to recognize this, it would seriously undermine their notion that the earth is flat.
They will know if their predictions are wrong or right.
This author is an a-hole.
One of only three swan species that inhabit the southern hemisphere, the large Black swan is an unmistakable water bird.
He has a polymathic command of subjects ranging from cognitive science to business to probability theory.