For some lucky folks, reading in the car is a go-to road-trip activity. For others, just the thought of picking up a book while riding shotgun sends them running for the bathroom.
This TED-Ed animation narrated by Rose Eveleth attempts to explain why about one-third of the population falls into the unlucky category of people who suffer from motion sickness.
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Eveleth makes it clear that doctors and scientists don't know the exact reason for motion sickness. But the theories behind this queasiness offer some neat insight into the goings-on inside our bodies when we experience motion-induced nausea.
Scientists don't know when the day will come that they pinpoint a cure-all for motion sickness. Until then, unfortunately, get used to napping in the backseat all the way home.
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Image: YouTube, TED-Ed