SN Online SN Online Highlights from recent online-only stories By Science News April 22, 2011 at 10:37 am - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print ATOM & COSMOSReflected heat may explain the strange slowdown of two spacecraft. Read “Pioneer puzzle pinned on thermodynamics.” DELETED SCENES BLOGAfter 30 years, the space shuttle fleet comes to rest. See “NASA picks shuttles’ retirement homes” to find out where. BODY & BRAINFat breakdown by friendly bacteria may lead to unfriendly buildup in the arteries.