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Why Airline Food is So Salty

That’s a scanning electron micrograph of dissolved salt by Signe Emma,
who used it to illustrate the reason airline food (remember that? You’d
have to travel abroad to eat airline meals nowadays) is so salty:

At 30.000 feet the cabin humidity drops by 15%, and the lowered
air pressure forces bodily fluids upwards. With less humidity, people
have less moisture in their throat, which slows the transport of odours
to the brains smell and taste receptors. That means that if a meal should
taste the same up in the air, as on ground it needs 30% of extra salt.

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Date
July 10th, 2012

Author
Stranger to the World

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