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The researchers then compared three variables of each student's social network: network centrality, or the size of the social network; the proportion of same-sex contacts; and the number of strong versus weak network ties.

The researchers mixed the human cells with a hydrogel, a flexible structure composed of hydrophilic polymers and optimized the chemistry of the hydrogel to allow the human cells to proliferate, or "seed," throughout the mixture.

The rooms of the hotel occupy floors four to six.

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The research, conducted by scholars at the universities of Michigan, Washington and Maryland and San Francisco State University, found a total of 136 tweets used "stigmatizing rhetoric" such as "Chinese virus" and "Wuhan coronavirus". Those tweets were retweeted more than 1.3 million times during the eight-month period.

The robots are part of a suite of high-tech tools that Alibaba says drastically cuts the hotel's cost of human labor and eliminates the need for guests to interact with other people.

The researchers emphasized that this is an association study, which does not establish that increasing weight is a cause of early-onset colorectal cancer. More studies are needed to uncover the best ways to identify young people at high risk of colorectal cancer at younger ages.

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The rescued macaques, about three to four months old, have been sent to a rescue center at the Zhuyuwan Zoo in Yangzhou, Jiangsu province.

The rise in services activity was supported by a further significant increase in new business across the sector, despite the new order growth rate softening slightly since March. According to the companies surveyed, improved marketing strategies, new product offerings and firmer underlying market demand supported the latest increase in sales, said the report issued by Caixin Insight Group and IHS Markit.

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The rush can be attributed to the booming China sci-fi content. Local toy-makers are desperate to outgrow their image of being long-term original equipment manufacturers for global clients such as The Walt Disney Co or Japan's Studio Ghibli.

The research suggests that the gloomiest climate change picture of a world without the kaleidoscopic underwater habitats could still be avoided, according to lead author Christopher Jury.