- The cells that can give you super-immunity
- Memory B cells were discovered more than half a century ago. But scientists are just beginning to understand the crucial role they play in protecting people from serious illness. n October 2020, a team of virologists at the Rockefeller Uni...
- 作者：发表于：2022-02-15 11:50:04 点击：516 查阅全文...
- Ukraine seeks meeting with Russia within 48 hours to discuss build-up
- Ukraine has called for a meeting with Russia and other members of a key European security group over the escalating tensions on its border. Foreign Minister Dmytro Kuleba said Russia had ignored formal requests to explain the bui...
- 作者：发表于：2022-02-14 15:09:30 点击：394 查阅全文...
- Ukraine tensions: Joe Biden says US citizens should leave Ukraine now
- US President Joe Biden has called on all American citizens remaining in Ukraine to leave the country immediately, citing increased threats of Russian military action. Mr Biden said he would not send troops to rescue Americans if ...
- 作者：发表于：2022-02-11 11:42:00 点击：425 查阅全文...
- Samsung phones with parts made from fishing nets
- Samsung has announced a range of new Galaxy smartphones, offering improved cameras and the option of a stylus. The firm talked up the use of recycled materials such as repurposed fishing nets and used water bottles. Its ...
- 作者：发表于：2022-02-10 15:29:41 点击：463 查阅全文...
- Brit Awards 2022: Ballads over bangers as Adele wins big
- Adele won three out the four main prizes at the Brit Awards on Tuesday, where she also put in an assured performance of her track I Drink Wine. The singer won best artist, album and song of the year for Easy on Me. Ed Sh...
- 作者：发表于：2022-02-09 13:13:47 点击：462 查阅全文...
- Ottawa declares emergency over trucker Covid rules protests
- The mayor of Canada's capital Ottawa has declared a state of emergency in response to more than a week of truckers' protests against Covid restrictions. Jim Watson said the city was "completely out of control", with dem...
- 作者：发表于：2022-02-07 13:50:46 点击：454 查阅全文...
- Ukraine crisis: Russian attack would be 'horrific', US warns
- Top US General Mark Milley has said that a Russian invasion of Ukraine would be "horrific" and would lead to a significant number of casualties. Gen Milley described the build-up of 100,000 Russian troops near Ukraine's...
- 作者：发表于：2022-01-29 11:54:21 点击：453 查阅全文...
- Ukraine crisis: Biden warns Russia may invade next month
- US President Joe Biden has warned there is a "distinct possibility" Russia might invade Ukraine next month, the White House says. Russia meanwhile says it sees "little ground for optimism" in resolving the cri...
- 作者：发表于：2022-01-28 17:32:52 点击：408 查阅全文...
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