NASA astronaut Mike Fincke has logged 549 days in space, with nine spacewalks totaling 48 hours and 37 minutes.
For US energy companies, however, there are huge practical difficulties to be overcome. Venezuela's state-owned oil company, PDVSA, is a shadow of its former self.
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It also recommended no screening for men with a family history of the disease, for the same reason - too many cancers would be overdiagnosed and overtreated.
В России ответили на имитирующие высадку на Украине учения НАТО18:04