
https://www.bbc.co.uk/iplayer/episode/b0bcmjht/horizon-2018-4-spina-bifida-me One in every 1,000 pregnancies in Britain has a spine or brain defect like spina bifida. Thirty years ago, actress Ruth Madeley was one of them. Despite having spina bifida herself, it is a condition she doesn't fully understand. In this programme, Ruth sets out to discover why she has it, whether it ...

数千年来,人类对月球充满着好奇与幻想。这个天上的邻居,至今还有许多未解之谜。上世纪五十年代末开始,美国与前苏联开展了太空竞赛,完成了人类对月球的最初探索。随后,美苏两国相继停止登月计划,中国展开探月之旅。对月球样本的科研显示,月球上的水以冰的形式存在。月球的内核是固态的铁,温度很高,部分融化。未来月球上可能会有火山喷发。月球的部分地表已被磁化。月球上的坑洞或者熔岩管道可能会为人类提供栖居场所。对月球的探索仍未停止,这个星球是人类通往宇宙的大门。 https://www.bilibili.com/bangumi/play/ep268719/