Complex sentence: Rutherford is also a frequent guest on the Little Atoms radio chat show, and he has also acted as a science advisor on programs such as "The Cat in the Hat Knows a Lot About That!", and the film "World War Z".
Split into simpler sentences: Rutherford is also a frequent guest on the Little Atoms radio chat show. He has also acted as a science advisor on programs such as "The Cat in the Hat Knows a Lot About That!", and the film "World War Z".