Q&A: The Perils of Peanut Butter How clean does a jar for your sandwich spread need to be for recycling efforts? Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:NASA WARNING: More than ONE THOUSAND asteroids perilously close to Earth DISCOVEREDTrilobites: What 50 Years of Earthquakes and Volcanic Eruptions Look LikeThe New Health Care: I’m a Doctor. If I Drop Food on the Kitchen Floor, I Still Eat It.Nobel in Economics Awarded to Oliver Hart and Bengt HolmstromUS MEGA QUAKE: New hidden fault line running parallel to SAN ANDREAS is discoveredSpacemen travelling to Mars could get DEMENTIA from cosmic rays