Download Flash Player to view this content.

Ideacity | Mar 13, 2013 | 17:35

Margaret Race on planetary protection

Dr Margaret Race is an ecologist who works with NASA at the SETI Institute in Mountain View, California. She is an expert in planetary protection; analyzing issues of contamination between Earth and outer space during space missions.

Now Playing on CBC Radio Help Refresh

CBC Radio One

Listen Live Ottawa change

CBC Radio 2

Listen Live Eastern change

CBC Radio 3

Listen Live Radio 3