How Theoretical physics can help find ET - Interview with Sara Walker

Sara Walker is featured in an article on Space.com highlighting the role of theoretical physics in helping discover alien life. 

"When I think about looking for life, I'm not really thinking about looking for cells on a planet or molecules in an atmosphere. I think about looking for an entirely new sector of physics," Sara Walker, an astrobiologist and theoretical physicist at Arizona State University, said during a panel discussion at the World Science Festival in New York City. 

Read more here.