She shows how Darwin came to understand that these island animals had differences, developed over time, that helped them survive.

VOA: special.2009.02.27

He said the Earth is like a large mechanical device that will survive only if people living on it know how to operate it correctly.

VOA: special.2010.05.30

How am I going to live? How am I going to survive? At least right here I know these people.

VOA: standard.2010.03.29

FM radio helps keep some Haitians up to date on how to get what they need to survive.

VOA: standard.2010.01.20