Covalent organic frameworks (COFs) have been hailed as next-generation materials for capturing water from air, powering dehumidifiers, and driving energy-efficient heat pumps. Built from lightweight ...
BEIJING, Jan 30 (Reuters) - The Chinese delegation's flag-bearers at the opening ceremony of the Beijing 2022 Winter Olympics will be speed skater Gao Tingyu and skeleton athlete Zhao Dan, the ...
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