How science has changed in 20 years of Chinese sovereignty
On 1 July 1997, sovereignty of Hong Kong was transferred to China by the United Kingdom, operating as an autonomous special administrative region under a principle of ‘one country, two systems’. Time flies: it has now been 20 years since the handover, and the territory has witnessed many changes that have shaped its scientific research output – and will continue to affect its future development in the years to come.