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Saudi Arabia launched a price war with Russia and the oil-production countries try to grab market share during the downturn. Brent crude, a worldwide benchmark, fell .57, or 21.07 percent, to .73 a barrel.

Sanders, 78, is an independent from Vermont and self-proclaimed socialist who usually votes with the Democrats. He has pledged to run as a Democrat if he wins the party's nomination. He told CNN he seeks "to tax billionaires out of existence" because "billionaires shouldn't exist".

Scientists take bits of HIV and attached them to one or the other half of a piece of DNA. They then added the modified HIV bits into the saliva sample of people who are screened for HIV.

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School-age children with ASD can receive special training at mainstream schools or special schools, depending on their condition.

Saying India's move doesn't conform to the agreement between Beijing and New Delhi in upholding peace and tranquillity along the border between the two countries, Wang proposed that India should do more to help enhance mutual trust and safeguard peace and stability in the bordering areas so as to avoid unnecessary disturbance of Sino-Indian relations.

Schreiber was introduced to the game 16 years ago by a classmate, but thought the game rather mediocre and boring at first. "That is the problem when you teach new players," he said. "At first they cannot see that it's a very interesting game. At the beginning you cannot understand."

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Sarah Kutulakos, executive director of the Canada China Business Council, said the service industry was set to boom and the two countries are largely complementary in the sector.

Scientists have discovered through clinical records and genetic tracing that the Huanan Seafood Market in Wuhan may not be the source of the virus after all, according to the journal Lancet and other follow-up studies.

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Samuel Turvey, lead author on the study that was published in the journal Science, said the discovery suggests that human impact on primate diversity has been underestimated.

Schools back to remote classes as coronavirus cases surge - World - Chinadaily.com.cn