摘要:
The SuspectsTime Limit:1000MSMemory Limit:20000KTotal Submissions:13843Accepted:6565DescriptionSevere acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. To minimize transmission to others, the best strategy is to separa 阅读全文
摘要:
Blue JeansTime Limit:1000MSMemory Limit:65536KTotal Submissions:7333Accepted:3048DescriptionThe Genographic Project is a research partnership between IBM and The National Geographic Society that is analyzing DNA from hundreds of thousands of contributors to map how the Earth was populated. As an IB. 阅读全文