Their mission: to find out if men could survive two weeks in space. If not, the Moon was out of reach.
A BBC World Service team has spent five years filming with Squire, and other investigative units in Portugal, Brazil, and Russia - showing them solving cases such as that of a kidnapped and presumed-dead seven-year-old in Russia, and the arrest of a Brazilian man responsible for five of the biggest child-abuse forums on the dark web.
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Израиль нанес удар по Ирану09:28
今年2月，习近平总书记在北京考察时强调，统筹教育科技人才一体发展，强化科技创新和产业创新深度融合，大力发展新质生产力。