Bowhead Whales (IMAGE) Purdue University Caption Three bowhead whales surface for air. With his research, Purdue University professor John Bickham has helped preserve these enormous whales, which indigenous arctic peoples depend on for food and cultural practices. Credit Credit: Gary Miller, LGL Limited Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.