Links for Tuesday, April 26, 2009

• The New Scientist: 13 Things That do Not Make Sense – “TAKE our best understanding of gravity, apply it to the way galaxies spin, and you’ll quickly see the problem: the galaxies should be falling apart. Galactic matter orbits around a central point because its mutual gravitational attraction creates centripetal forces. But there is not enough mass in the galaxies to produce the observed spin.“
• Ask Monty: The Hacking Business Model – “*Don’t try to change people. Focus on getting the best from their strengths. Develop ways to work around their weaknesses. *“