Chris and Martin are determined to prove to Aviva that there's more Chris and Martin are determined to prove to Aviva that there's more to crocodiles than their reputation as scary brutes. They use an egg to crocodiles than their reputation as scary brutes. They use an egg disguise, created by Aviva, to infiltrate a crocodile nest for an disguise, created by Aviva, to infiltrate a crocodile nest for an insider's look at the challenging journey of the infant crocs and insider's look at the challenging journey of the infant crocs and their mom. their mom.Science Concept: Heat can be produced in many ways, and can move from Science Concept: Heat can be produced in many ways, and can move from one object to another by a process called conduction. one object to another by a process called conduction.