Beltz, graduate student in psychology, working with Sheri A. Berenbaum, professor of psychology and pediatrics, Penn State.

心理学研究生Beltz这样说，她与宾夕法尼亚州心理学与儿科学教授Berenbaum一起进行研究工作。

youdao

But, Beltz said, the dogs he trains for overseas duty are sometimes trained for personnel searches.

CNN: Are dogs the key to bomb detection at airports?

Beltz and some of the handlers he is training alongside the dogs demonstrated for CNN how the dogs work.

CNN: Are dogs the key to bomb detection at airports?

"A well-trained dog and a very good, well-trained handler can find explosives with little or no false alarms, " Beltz said.

CNN: Are dogs the key to bomb detection at airports?