回复 :Each year, analysts at Clarivate Analytics mine millions of citations in the Web of Science, an online subscription-based scientific citation indexing service, to identify top-tier researchers in physiology or medicine, physics, chemistry and economics

回复 :Sierra Leone is the second destination for Peace Ark in its "Harmonious Mission 2017" tour

回复 :Seismologists from the Chinese Academy of Sciences and the University of California Santa Cruz also published a joint report on Saturday that said tests had shown the quake "clearly falls in the natural phenomena category" and was similar to the last natural earthquake in the region, which was recorded in December 2004