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. Scientists in Japan are reporting an advance toward giving artificial cells another hallmark of life -- the ability to tap an energy source and use it to undergo sustained movement. Their study, published in the Journal of the American Chemical Society, describes the first `self-propelled` oil droplets (used as a model for research on artificial cells) that can run on a chemical `fuel.` http://www.physorg.com/news160233585.html Chemistry Wed, 29 Apr 2009 14:20:03 EST news160233585 (PhysOrg.com) -- That nip in the air means fall is here, and many homeowners are facing a drastically more expensive home-heating season. An energy specialist in Penn State's College of Agricultural Sciences says it's not too late to install a secondary heating system to manage those soaring costs. http://www.physorg.com/news142788833.html Other Sciences Thu, 09 Oct 2008 16:33:53 EST news142788833