- Coronavirus: WHO rethinking how Covid-19 spreads in air
- The World Health Organization has acknowledged there is emerging evidence that the coronavirus can be spread by tiny particles suspended in the air. The airborne transmission could not be ruled out in crowded, closed or poorly ventilated set...
- 作者：发表于：2020-07-09 14:43:14 点击：530 查阅全文...
- Coronavirus: Tom Hanks 'has no respect' for people not wearing masks
- Tom Hanks, who recovered from Covid-19 earlier this year, has said he "has no respect" for people who decline to wear a mask in public during the pandemic. The actor and his wife Rita Wilson tested positive for coronavirus while fi...
- 作者：发表于：2020-07-08 15:03:52 点击：492 查阅全文...
- Street traders losing 'right to shade' under trees
- Street vendors are being denied the "right to shade" under street trees in Hyderabad, India, a study suggests. Urban trees play an important role in providing a comfortable work environment for the city's outdoor traders, said rese...
- 作者：发表于：2020-07-07 13:56:55 点击：499 查阅全文...
- Coronavirus: Australia to close Victoria-New South Wales border
- The border between Australia's two most populous states, Victoria and New South Wales (NSW), is to close after a spike in Covid-19 cases in Melbourne. The outbreak in Victoria's capital has seen hundreds of cases in the past two weeks - more...
- 作者：发表于：2020-07-06 14:39:59 点击：467 查阅全文...
- Coronavirus: Texas governor mandates wearing of face masks
- Texas Governor Greg Abbott has ordered face coverings to be worn in public as coronavirus cases rocket in the state. The directive applies to counties with 20 or more Covid-19 cases, which covers most of Texas' 254 counties. Texas hit a rec...
- 作者：发表于：2020-07-03 14:51:40 点击：599 查阅全文...
- 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：535 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：590 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：695 查阅全文...
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