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Coronavirus: Immunity may be more widespread than tests suggest
  People testing negative for coronavirus antibodies may still have some immunity, a study has suggested. For every person testing positive for antibodies, two were found to have specific T-cells which identify and destroy infected cells. Thi...
作者:发表于:2020-07-02 12:16:11 点击:112 查阅全文...
What is vitamin K and why is it in the news?
  Vitamin K recently hit headlines when a Dutch study observed a relationship between poorer health outcomes in Covid-19 patients and reduced levels of vitamin K. But what is vitamin K and what can we learn from these new observations? ...
作者:发表于:2020-07-01 12:43:10 点击:64 查阅全文...
Could a boycott kill Facebook?
  Boycotts can be extremely effective - as Facebook is finding out. In the late 18th century, the abolitionist movement encouraged British people to stay away from goods produced by slaves. It worked. Around 300,000 stopped buying sugar - incr...
作者:发表于:2020-06-30 12:07:21 点击:86 查阅全文...
Washing machines' microplastic filters 'untested'
Filters can cut the volume of ocean-bound microplastic fibres released by washing machines, a study has shown. However, until now, filters have not been tested under scientific conditions to prove their effectiveness. In the first study of ...
作者:发表于:2020-06-29 14:12:11 点击:58 查阅全文...
Coronavirus: Florida and Texas reverse reopening as US cases pass 2.5m
  Coronavirus infections across the United States have passed 2.5 million, with record numbers of cases reported in the states of Florida and Texas. The surge in cases in southern states comes after businesses were allowed to re-open in recent...
作者:发表于:2020-06-28 14:56:12 点击:78 查阅全文...
Ex-Googler becomes China’s second-richest person
A former Google employee was briefly ranked the second richest person in China, following a surge in sales at his e-commerce business, Pinduoduo. Colin Huang was valued at $45.4bn (36.4bn) byForbes, on Sunday, ahead of Alibaba's...
作者:发表于:2020-06-24 14:18:18 点击:127 查阅全文...
Coronavirus: South Korea confirms second wave of infections
  Health officials in South Korea believe the country is going through a second wave of coronavirus, despite recording relatively low numbers. The country had been a success story in dealing with Covid-19, but now expects the pandemic to conti...
作者:发表于:2020-06-23 15:47:06 点击:98 查阅全文...
'Do it at home' coronavirus saliva test trialled
  A new "no swab" saliva coronavirus test that lets people collect their own sample at home by spitting into a pot is being trialled in the UK. More than 14,000 GP staff and other key workers, along with the people they live with, wi...
作者:发表于:2020-06-22 16:43:30 点击:91 查阅全文...