(Haven’t read the article.) Its not paywalled. Our perception of alien life may be profoundly constrained by the human lens through which we examine the cosmo

(Haven’t read the article.) Its not paywalled. Our perception of alien life may be profoundly constrained by the human lens through which we examine the cosmos. Here's the subtitle: Scientists disagree about what life on other planets even means. Would we know it when we saw it?