Chu92
Chu92
Chu92
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SCIENTIFIC<br />
-<br />
AMERICAN<br />
New drugs may halt the spread of cancer cells.<br />
Why Asian children excel in school.<br />
Can Europe take the lead in advanced TV?<br />
-dl-<br />
FEBRUARY 1992<br />
- $3.95<br />
~~tical"trt$<br />
of intersecting laser beams cools<br />
small numbers of atoms to nearly absolute zero.<br />
'.
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