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As is often the case for flightless beetles, the species' elytra－a protective case that normally sheaths wings－had strengthened and toughened over time. Up close, scientists realized this cover also benefited from special, jigsaw-like bindings and a layered architecture.

As of this summer,?the?company said customers can start ordering?Dash buttons for .99 apiece.

As of 2016, the Chinese government had provided free folic acid to 81 million rural perinatal women, free thalassemia screening for 978,000 couples, and free congenital disease screening for 4.69 million newborns, according to the white paper.

As of July 15, more than 56,000 people are currently in the hospital with COVID-19 in the United States. A total of 4,872 more people have died of COVID-19 across the country, an increase of nearly 29 percent from the previous week, according to the report.

As of June, the proportion of China's web users aged 40 years old and above rose by 1.7 percent compared with 2016.