April 11, 2003

Stalled at the Border

By LILA GUTERMAN

Many research projects have been delayed or disabled by strict U.S. visa policies

The homeland-security measures adopted since September 11 have derailed an untold number of scientific research projects. In particular, stricter reviews of visa applications have delayed many scientists seeking to enter, or re-enter, the United States. As a result, cells have languished, lasers have gone unused, and even pencil-and-paper theoretical projects have stalled.

The magnitude of the

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