Definition: In this task, you're given a short article. Your job is to classify the article based on its category. Use the following classification labels, 0. World, 1. Sports, 2. Business, 3. Science or Technical. Label the text "0" if it contains information related to world. Label the text "1" if it contains information related to sports. Label the text "2" if it contains information related business. Label the text "3" if it contains science or technical related information. 
Input: World's Oldest Field Test Reveals Soil Secrets (Reuters) Reuters - The world'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.
