- Are We Observing Extraterrestrial Intelligence Without Realizing It? http://www.huffingtonpost.com/cadell-last/are-we-observing-extrater_b_4069207.html?utm_hp_ref=science 179 comments science
- Are We Observing Extraterrestrial Intelligence Without Realizing It? http://theratchet.ca/are-we-observing-extraterrestrial-intelligence-without-realizing-it 10 comments science