Must-see science on the WebBy Alan Boyle, Science Editor, NBC NewsWired Danger Room: Electromagnetic rail gun in action Univ. of Iowa: McCain, Clinton skyrocket on political marketNational Geographic: Gilded coffins, dog mummies found in EgyptNew Scientist Tech: Two artificial letters added to life's alphabetNature's Great Beyond: Hummingbirds have musical tailsAlan Boyle, Science Editor, NBC News
