NASA uncovers cause of shuttle delay

Engineers from the US space agency NASA think they have discovered the cause of a hydrogen leak which twice delayed a high-profile shuttle launch this month, according to the agency.

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<p><a href="http://www.physorg.com/news164965021.html">NASA uncovers cause of shuttle delay</a></p> <p>Engineers from the US space agency NASA think they have discovered the cause of a hydrogen leak which twice delayed a high-profile shuttle launch this month, according to the agency.</p>