Quiz - New Technology Helps Move Hearts
See how well you understand the story by taking this listening quiz. Play each video and choose the best answer.
![](https://gdb.voanews.com/f5c6392e-029a-4a44-aaac-b3b666eb9ed6_w250_r1_s.jpg)
See how well you understand the story by taking this listening quiz. Play each video and choose the best answer.