print email Share this story facebookfacebook slashdotslashdot diggdigg RedditReddit stumbleuponstumbleupon linkedinlinkedin twittertwitter Sometimes stepping back and looking at the big picture can lend new clarity to an ongoing debate. In this case, it took the distant perspective of astrobiologists to reckon the origins of cancer.The astrobiologists, working with oncologists in the US, have sug