Mara the Lioness are quite convinced that we did the right thing in opposing her release and that for many years to come in Whipsnade Park she will be well-fed, contented and ... safe."" (Irene Grindlay, 1966) It is not known how long Mara resided at Whipsnade Park. The life span of a lion in the wild is approximately 12 years, while those in captivity have been known to live for more than 20. If Mara was fortunate she would have died in the mid to late seventies. Mara the Lioness Mara the Lioness is an animal actor who appeared as Elsa in
The Joy of Science The Joy of Science The Joy of Science is a popular video and audio course series, consisting of 60 lectures, each 30 minutes long, presented by Dr. Robert Hazen of the George Mason University and the Carnegie Institution of Washington. The course, first introduced in 2001, is part of The Great Courses (TGC) series, and is produced and distributed by The Teaching Company (TTC), located in Chantilly, Virginia in the United States. As the Clarence B. Robinson Professor at George Mason University, Robert Hazen developed innovative courses to promote scientific literacy in both scientists and non-scientists. In a collaboration with