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The United States should think again about its decision not to supply enriched uranium for a German research reactor, which gives a poor impression in advance of next year's non-proliferation conference.
The belief that stark conclusions can be made less definite by suggesting that inconclusive evidence is relevant, but in some manner undefined, can lead to trouble.
Products from the molecular biology marketplace include nuclear extracts for gene regulation studies, a kit for purifying DNA from tissue and mouse tails, and one for the in vitro packaging of DNA from bacteriophage lambda.
