text: World #39;s Oldest Field Test Reveals Soil Secrets The world #39;s longest continually running experiment has revealed traces of plutonium in British soil from nuclear tests in the Nevada desert 50 years ago, scientists said on Monday.
inputs: World #39;s Oldest Field Test Reveals Soil Secrets The world #39;s longest continually running experiment has revealed traces of plutonium in British soil from nuclear tests in the Nevada desert 50 years ago, scientists said on Monday.