Top stories: US to make COVID vaccine booster shots available from Sept; Haiti earthquake has stalled vaccination campaign; UK study shows vaccine efficacy weakens.
青蛙。肉丸。冰立方。这看起来像是一列完全不相关的名词，但这些词确实是快速衡量语言创造力的测试的一部分。
Top stories: Sydney warned to brace for more COVID-19 deaths; US has more than 1,000 deaths in 24 hours; Pope urges everyone to get vaccinated.
Top stories: India administers 8.8 million vaccines in a day; New Zealand to lock down after one COVID-19 case; COVID tools accelerator appeals for $7.7 billion.
Top stories: Sydney records its deadliest day of the pandemic; Japan extends state of emergency; UK ex-PM calls for emergency vaccine summit to help Africa and end inequality.
The Divergent Association Task was designed by researchers from McGill, Harvard and the University of Melbourne to assess divergent thinking, a key component of creativity.
The World Health Organization has called for a moratorium on COVID-19 vaccine booster shots, to enable low-income countries to get more people vaccinated.
Athletes have been given more freedom to express themselves at the Tokyo Olympics. But how far have we really come in the fight for racial justice in sport?
Unlike those at lower latitudes, Arctic fires are a natural part of the system. But they’re becoming more intense, threatening to make climate change worse.
Top stories: Haiti receives first COVAX vaccine doses; Australian state of Victoria in five-day lockdown; cases of COVID-19 among Olympic athletes.
Top stories: Australia extends lockdown; WTO chief says COVAX struggling for vaccines; Russia records its highest daily death toll of the pandemic.
Top stories: Malaysia reports record number of infections; WHO warns Delta variant fuelling two-track pandemic; Tokyo Governor vows Olympics will be safe
Doomscrolling - continually looking for bad news online - has grown during COVID-19. But there are ways to overcome the habit and get more sleep, says an expert.
人们一直致力于研究阅读与幸福之间的联系。据说每天花6分钟看书可以将压力水平降低68%，而不读书的人更有可能患上抑郁症。
Reading can be a balm for our mental health - reducing stress and helping us sleep better. Sales of self-help books have doubled in the US since 2013.
