Occasionally we will have guest bloggers contribute one or more posts. Here they are!

• Lawrence Krauss on string-theory skepticism
• Paul Kwiat on quantum computation
• Anthony Aguirre on the Foundational Questions Institute
• Chanda Prescod-Weinstein on the community of scientists
• Joe Polchinski (the string debates; science or sociology)
• Heather Ray on MiniBoone
• Michelangelo D’Agostino on particle physics fieldwork in antarctica
• Juan Collar on dark matter detection
• Tom Levenson (Isaac Newton as the first cosmologist; Iraq War suicides and the material basis of consciousness Einstein, religion, and Jewishness)
• Joel Corbo on graduate school and teaching
• David E. Kaplan, the LHC on the History Channel
• George Djorgovski, A New World Overture (science and virtual worlds)
• Michael Peskin on John Updike
• Kip Thorne on Stephen Hawking
• Marcelo Gleiser on filtering and empirical knowledge
• Matt Johnson on making extra dimensions disappear
• Evalyn Gates on gravitational lensing
• Malcolm MacIver on intelligent robot warriors
• Caleb Scharf on the Shadow Biosphere
• Eugene Lim on education in Haiti, and a followup on calculus in Haiti
• Fay Flam on the challenge of climate reporting
• Matt Johnson on observing the multiverse
• Neal Weiner on the coming era of dark-matter detection
• Jim Kakalios on the quantum mechanics of Source Code
• Lisa Randall on writing Knocking on Heaven’s Door
• The Great Quantum Cosmology/Eternal Inflation Debate: Tom Banks on eternal inflation; Don Page on quantum cosmology
• The Great Quantum Mechanics Debate: Tom Banks on quantum probabilities, David Wallace on the physicality of the quantum state
• Matt Strassler on the hunt for the Higgs boson