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本期内容: Precise chemical surgery has been performed on human embryos to remove disease in a world first, Chinese researchers have told the BBC. The team at Sun Yat-sen University used a technique called base editing to correct a single error
本期内容: A girls' school is banning wearable activity trackers and smart watches because of concerns that pupils are skipping lunch if they fail to meet their calorie and exercise targets. Teachers at Stroud high school in Gloucestershire fear
本期内容: Donald Trump gained the 1,237 delegates needed for the Republican presidential nomination, as a small group of unbound delegates told the Associated Press they would support him at the partys convention in Cleveland in July. The tycoo
本期内容: India's government made a surprise decision to withdraw current 500-and I, 000-rupee banknotes from circulation in an effort to clamp down on black marketeers and corruption. Banks were closed to allow them to stock up on lower-denomi
本期内容: Tunisia has banned Emirates airline from landing in the capital Tunis after a number of Tunisian women were prevented from boarding its flights. The move comes amid widespread anger in Tunisia, with rights groups condemning racist and
本期内容: A court in London acquitted five brokers accused of conspiring to manipulate LIBOR, a global benchmark interest rate. The jury has not yet reached a verdict on a sixth. All had been charged with collaborating with Tom Hayes, who was s
本期内容: Donald Trump swept to victory in Tuesdays Republican caucuses in Nevada, following his primary triumphs in New Hampshire and South Carolina. The front-runner in the race for the partys nomination for the American presidency scooped 46
本期内容: Opinion polls suggested that Hillary Clinton won Americas presidential debate on Sundaythe ugliest ever. The Republican nominee, who did better than expected, said Mrs Clinton had hate in her heart; she repeatedly questioned his tempe
本期内容: American scientists announced that they had cloned the Zika virus. This is an important stage in producing a safe version of the pathogen to be used in a vaccine against the mosquito-borne illness, which has been linked to brain defor
本期内容: Amid fears of uncontrollable movements of migrants, the Schengen passport-free travel zone buckled further. Sweden imposed border controls on travellers from Denmark. In response, Denmark instituted temporary spot-checks on its fronti