Foreign nationals propel U.S. science. Visa limits under Trump could change that from NPR Jon Hamilton

President Donald Trump speaks at Snap-on tools, Tuesday, April 18, 2017, in Kenosha, Wis.

The incoming Trump administration is likely to crack down on the H-1B visas used by tech companies and research institutions to hire top talent from other countries.

(Image credit: Kiichiro Sato/AP)

Read More