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Science 9 March 2001:
Vol. 291. no. 5510, pp. 1877 - 1878
DOI: 10.1126/science.291.5510.1877a
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News of the Week

QUANTUM CHROMODYNAMICS:
Quark Quirk Triggers Nuclear Shrinkage

Charles Seife

By sticking an exotic type of quark where it doesn't belong, physicists report in the 5 March Physical Review Letters that they have cut a few lithium nuclei down to four-fifths normal size. In the process, the scientists are edging toward a theory that can explain nuclear interactions of all varieties.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)