g LIFE - Studying how bacteria incorporate foreign DNA from invading viruses into their own regulatory processes, researchers are uncovering the secrets of one of nature's most primitive immune systems. See article.
g INTELLIGENCE - The face of a doll is clearly not human; the face of a human clearly is. Telling the difference allows us to pay attention to faces that belong to living things, which are capable of interacting with us. But where is the line at which a face appears to be alive? See article.
g MESSAGE - To subject the Fermi Paradox to needed experimental testing, a researcher has offered the Artifact Hypothesis: A technologically advanced extraterrestrial civilization has undertaken a long-term program of' interstellar exploration via transmission of material artifacts. See article.