AP - Researchers who spent three years dragging sheets of fabric through the woods to snag ticks have created a detailed map they claim could improve prevention, diagnosis and treatment of Lyme disease.

AP - It's advice that sounds like heresy on the gridiron: Go for it on fourth down. Try more onside kicks. Running backs don't matter much.

AP - NASA says it still has confidence in the quality of Russia's manned rockets, despite an embarrassing series of glitches and failures in the Russian space program.

AP - Figuring out how to pack a processor and other electronics into a machine gun bullet has been a challenge for engineers at Sandia National Laboratories, so weapons experts say the miniature guidance system the lab has developed is a breakthrough.

LiveScience.com - At a tiny outpost in the middle of Antarctica, Russian scientists are poised to become the first humans to reach a massive liquid lake that has been cut off from the sunlit world for millennia, and may house uniquely adapted life forms that are new to science.    

Reuters - Canada will set up a new environmental monitoring system for the northern Alberta oil sands as it seeks to fend off harsh international criticism following revelations that oversight of the huge petroleum development has been insufficient.