UK study suggests phone bans may not be effective 英国研究指出校园手机禁令 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
NASA航天员继续滞留太空
导读SpaceX上周三推迟了将新一批宇航员送往国际空间站的计划，本次任务原本将为滞留太空的宇航员Butch Wilmore和Suni ...
SHINE18 小时
SpaceX's spacecraft docks with space station to rescue stranded astronauts
SpaceX's Dragon spacecraft carrying four crew members docked with the International Space Station (ISS) early Sunday, a step closer to bringing home stranded NASA astronauts Suni Williams and Butch ...
NASA宇航员继续被滞留太空
SpaceX上周三推迟了将新一批宇航员送往国际空间站的计划，本次任务原本将为滞留太空的宇航员Butch Wilmore和Suni ...
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South African ambassador to US given 72 hours to leave
Ebrahim Rasool, South Africa's expelled ambassador, has been given 72 hours to leave the United States.