We had to take one scientist back with terrible seasickness, which left him dehydrated and needing hospital treatment.

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Boats are not for people who are prone to seasickness or fear spiders.

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In particularly rough seas during the cruise, Michele-Marie says that everyone was falling over and suffering from seasickness apart from her.

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After suffering the combined trauma of seasickness and a cabin awash with sewage after a plumbing failure, Brigstocke vowed he'd "never, ever" do it again.

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Besides getting super close to seals, penguins, flamingos, sea lions and giant tortoises, one other appeal of the land-based trips is (at least for those prone to seasickness) guests sleep in hotels every night.

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As such, seasickness on the choppy waters of the Pacific has been a recurring struggle, but it has not deterred the entrepreneurs from diving head first into the business workshops, one-on-one meetings and pitch events.

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In the real world, the farther away an object is, the slower it seems to move. (That is why the horizon appears motionless, and is reassuring to look at during a bout of seasickness.) This means that shrinking a virtual scene, which makes it look farther away, also makes it appear to move more slowly.

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