Cormac O'Grada (UCD): Eating People is Wrong: Famine's Darkest Secret? From Anthropologies, a special issue on Baja California. There’s a lockdown on the Wikipedia page for Austrian economics and wouldn’t you know it, one or way or another, it all seems to be Paul Krugman’s fault. Moon could have formed from Earth after all: Reviving and revising the giant impact theory. The Moon has had water its whole life, a new study says. Rachel Feltman on all the stuff that's on the Moon (that we know of). Society’s key to finding the next Earth: The Ars guide to exoplanets. Do people tend to live within their own ethnic groups? Carolyn Kellogg interviews Kevin Smokler, author of Practical Classics: 50 Reasons to Reread 50 Books you Haven't Touched Since High School. Virginia Ricci interviews Adam Green, cofounder of The Public Domain Review.