CAIRO, June 21 (Xinhua) -- Egypt on Saturday announced a new archaeological discovery in the El-Husseiniya district of Sharqiya Governorate, north of Cairo, dating back to the 4th century BC.

（华盛顿21日讯）一种被形容为“从内部吞噬人体”的致命真菌烟麹菌（Aspergillus fumigatus）正在全球蔓延，因气候变迁与抗药性而加剧其“由内而外”的健康与粮食威胁。英国曼彻斯特大学（The University of ...