Nasa reverses conference ban on Chinese scientists

The US space agency has said it will allow Chinese scientists to attend an astronomy conference in California next month, reversing an earlier ban. Nasa put the earlier ban down to a misinterpretation of its policy on foreign nationals. via Pocket http://www.bbc.co.uk/news/world-asia-24618824#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa