"Nature and interpersonal experiences tend to be the most frequently listed sources of awe, but there's a lot of variation," says Sean Goldy, a postdoctoral research fellow who studies awe at the Johns Hopkins Center for Psychedelic and Consciousness Research.

Seasickness is a form of motion sickness. That happens when there is a difference between the information you get from your visual system, your inner ear and receptors in your muscles, according to Dr. Kathleen Cullen, a professor of biomedical engineering at Johns Hopkins University.