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NASA orders studies from private space companies on Mars mission support roles
TechCrunch· 9 小時前Mars exploration has always been the exclusive purview of national space agencies, but NASA is ...
'Liquid gold': An olive oil shortage is fueling record prices and food insecurity fears
CNBC· 58 分鐘前Extreme hot weather and persistent drought conditions have dealt a severe blow to olive oil ...
Rural doctor in Yunnan dedicates life to guarding villagers' health
Bastillepost· 17 小時前Zhang Zhijuan, a village doctor in southwest China's Yunnan Province has been awarded this ...