ScienceDaily: Plants & Animals News

If you're wearing gold jewelry right now, there's a good chance it came from an illegal mining operation in the tropics and surfaced only after some rainforest was sacrificed, according to researchers who studied regulatory efforts to curb some of these environmentally damaging activities.

Scientists have succeeded in reversibly slowing down cellular processes. A team of biophysicists were able to show in experiments that cells can be transferred into slow motion without changing the temperature. From a physical point of view, such possibilities have so far only been available in the context of the theory of relativity.