As Ferris Jabr writes in Scientific American Mind, scientists applied nondamaging but painful heat to the palms of volunteers’ hands.

正如费里斯 亚布在科学美国心智中写到：科学家应用一种无害的让人痛苦的热给志愿者的手掌。

youdao

Jabr, the head of al-Hakim hospital, was kidnapped Saturday while driving in eastern Baghdad, said a police official.

CNN: U.S. soldier dies in western Iraq

Jabr was stopped, pulled out of his car, put in another vehicle and driven away, the official said.

CNN: U.S. soldier dies in western Iraq

An Iraqi police official said Jabr usually travels in his car without bodyguards.

CNN: U.S. soldier dies in western Iraq