http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. (PhysOrg.com) -- So much attention has been paid to the similarities and differences between Earth and Mars that we often look to the ancient red planet for signposts in our own planet's future. A U of T physicist, whose work is published this week in the prestigious international journal Science, may have explained some key differences in the magnetic fields of the two planets. http://www.physorg.com/news141573374.html Physics Thu, 25 Sep 2008 14:56:14 EST news141573374