Douglas Roberts points out as "obvious Linux fodder" the coverage of a study just published in PNAS claiming that, on fossil evidence, giant penguins once stalked the plains of Peru. One species goes back over 40 million years and its members were as large as modern king penguins. They were warm adapted. Members of another species, 30 million years ago, stood 5 feet high and made their living spearfishing with their 1-foot beaks. Here's an artist's impression.