More than one-third of U.S. innovators are born outside the U.S.
Only 13.5 percent of all U.S. residents are immigrants. But a new report says 35 percent of residents with a doctorate degree, or Ph.D, in science and mathematics are immigrants.
This shows that highly-educated immigrants could be one of the country’s most valuable resources.
Image: Co-founder and CEO of Whatsapp Jan Koum speaks during a conference at the Mobile World Congress, the world's largest mobile phone trade show in Barcelona, Spain. - http://learningenglish.voanews.com
