Quiz - Could a Jolt to the Brain Stop Motion Sickness?
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Question 1 / 3
How does the article define motion sicknes?
![](https://gdb.voanews.com/6c26dba0-8be8-4418-9d20-4bff628b8e44_w250_r1_s.jpg)
See how well you understand the Science Report by taking a short quiz.