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Published online 26 August 2009 | Nature 460, 1062-1063 (2009) | doi:10.1038/4601062a

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News briefing: 27 August 2009

The week in science.

Policy|Events|Business|Facilities|Environment

The week ahead|Sound bites|Number crunch

Policy

Stem cells: Restrictions on human embryonic stem-cell research in Japan were relaxed on 21 August, after updated government guidelines came into effect. But some scientists fear the new rules have come too late to regain lost ground in the field.

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