"Its forelegs had symmetrical feathers. It suggested that the asymmetrical feathers might first have developed from the tail, and the tail may be key to flying," said Hu.
Leading officials should demonstrate leadership and set an example, Xi said. He urged them to uphold the rule of law, oppose the rule of man, and exercise their duty within the bounds of the Constitution and laws.
A lost-and-found website he set up had also helped people around Hebei retrieve more than 600 lost items and find more than 50 missing people.
"Other sources confirm the growing importance of China and India as centers of innovation. In a recent study on which geographical clusters are generating the most patents, Shenzhen-Hong Kong comes in second place - between Tokyo-Yokohama and San Jose-San Francisco - while Beijing comes in seventh. In both cases, activity is concentrated in the field of digital communications.
Although the mainland maintained its place as the largest market in size for the past three years and continues enjoying robust economic growth, the Hong Kong Special Administrative Region made a significant leap up the ranks from ninth last year to sixth. It is now ahead of Sweden (seventh), the United Kingdom (eighth) and Japan (ninth).
"For instance, greater access to mobile technology in China has fostered the expansion of the 'sharing economy', which is expected to reach 10 percent of GDP by 2020," the report says.