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Schiff opened Wednesday's hearing by presenting the case against Trump, saying the inquiry will "affect not only the future of this presidency, but the future of the presidency itself".

SYDNEY - Healthcare workers will be among the first groups of people subjected to widespread COVID-19 testing, with the aim of detecting asymptomatic carriers of the disease, according to Australian health authorities on Monday.

Scientists at the US Centers for Disease Control and Prevention (CDC) found evidence of infection in 106 of 7,389 blood donations collected from residents in nine states across the US as early as mid-December, according to their study published online in the journal Clinical Infectious Diseases Monday.

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Scholars from University of California, San Francisco (UC San Francisco) have found that people who consume E-cigarettes and tobacco product are more likely to develop oral cancer, a US non-profit advocating oral health said over the weekend.

Script: Zhang Feifei

SYDNEY - Just last week deadly bushfires bore down on the Australian Reptile Park, but on Friday, it was widespread flooding caused by a sudden downpour which threatened the zoo's residents.

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Saeed Ahmad S. A. Al-Kuwari, news editor at the Qatar State News Agency, said it was a positive step for the Chinese government to set up this kind of school to eradicate extremist thoughts.

Sealing the deal at an early date will benefit companies and investors on both sides, he said.

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Scientists have long marveled at the ability of plants to split water molecules using sunlight during photosynthesis. Several researchers have successfully mimicked photosynthesis through a process called photocatalytic water splitting, although so far no methods have proven efficient enough to be commercially viable.

Schools in Florida are to open in many parts of the state in four weeks. Governor Ron DeSantis has ordered them to offer five-days-per-week, in-classroom education.