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Researchers from China and the United States believe the helium concentration could be as high as 1.11 percent in some thermal-spring gas in Ali prefecture in Tibet, the newspaper quoted a source of the Institute of Tibetan Plateau Research with the Chinese Academy of Sciences (CAS) as saying.

Residents buy food and supplies at a supermarket in Urumqi, Northwest China's Xinjiang Uygur autonomous region, on Sept 2, 2020. [Photo/Xinhua]

Representative Raja Krishnamoorthi, Democrat of Illinois and chairman of the House Oversight and Reform Subcommittee on Economic and Consumer Policy, sent a letter Monday to the White House and the Food and Drug Administration (FDA) demanding to know the status of the promised vaping-flavor guidance.

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Residents express support for the Hong Kong police at North Point Police Station in south China's Hong Kong, Aug 16, 2019. [Photo/Xinhua]

Regulations stipulate the asset managers must launch products within six months of registering.

Republicans deny this, saying Trump wants to restore law and order, and accusing Democratic mayors and state governors of losing control of cities rocked by demonstrations that have seen outbreaks of violence, arson and vandalism.

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Regulators from China and around the world will meet Thursday in Texas to review software updates for the Boeing 737 MAX and to determine steps to assure a safe return of the airliner to commercial service.

Residents carry buckets of mud and water, as firefighters (not pictured) dig for victims of a mudslide, where people remain missing at Barreira neighbourhood in Guaruja, Sao Paulo state, Brazil, March 3, 2020. [Photo/Agencies]

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Regulators want to be absolutely sure of Boeing's new automated control system, known as MCAS (Maneuvering Characteristics Augmentation System), and that pilots are fully prepared to handle it. MCAS is meant to prevent a loss of lift which can cause an aerodynamic stall and send the plane downwards in an uncontrolled way.

Representatives from other organizations will join the delegation in China, including Hy-Line International, the Des Moines Register, Principal Financial Group, Syngenta, John Deere, Monsanto, DuPont Pioneer and BlueShirt Group.