What kind of signs are researchers considering for in the hunt for alien life? Lots of many kinds, it turns out: the exploration for extraterrestrials needs the help from astrophysicists, planetary experts, chemists, along with computer scientists, and geneticists, just to name a few. But are we looking at the wrong carbon-based tree? Could alien life grow in methods we haven’t visualized or dreamed of here on Earth? Hear some experts give updates on the quest for life outside our planet in “Alien Life: Will We Know It When We See It?” portion of the Big Ideas series at the 2014 World Science Festival.