Daniel Bier counters fear-mongering about the world's first genetically engineered babies, another fascinating case study of global normative ferment. But in truly weird science, humans can now transplant whole heads (or rather, bodies). Too bad this important advance comes too late for Ned Stark. -> William Beaty writes about the physics of traffic jams, proposing a simple solution ordinary citizens can use to escape to de-clutter highways. Cyber-war, nano-weapons, and killer robots, oh my! International Review of the Red Cross has finally published a long-awaited special issue on...