Six pregnant women participated in a small trial in which placenta-derived stem cells were applied to fetal spinal cords and the treatment was found to be safe.
Nasa's mega Moon rocket arrives at launch pad for Artemis II mission
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US president accuses Tehran of failing to ‘negotiate in good faith’ over its nuclear programme
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"We don't know where they go, but they disappear for about 10 days, and then they'll come back again. And without the CCTV, we never knew that."