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originally posted by: Phage
For years boffins have been baffled by the phenomenon but at last we have the answer.
Why are brazil nuts always at the top of the can?
At least the popcorn density affects the popcorn kernels the way I expect, but I wouldn't have expected the same density larger particles to stay where they are, while either higher or lower density larger particles would rise.
And as Esther Inglis-Arkell wrote at io9 several years ago:
If the large particles are much less dense than their surrounding particles, they rise to the top and stay. If they are much denser than their surrounding particles – they also rise to the top and stay. Those that have a small difference in density from the other particles tend to remain mixed. And all this density dependence stops if the particles are in a vacuum. It seems that the simple course that a Brazil nut takes through life is dependent not only on its surrounding nuts, and on its density, but on air pressure as well.
It is possible to reverse this effect by using a conical container, however. And as Sharp says, it’s an advantage if your snack food of choice happens to be popcorn. Shaking the bowl will cause the hard kernels to sink to the bottom, leaving the fluffy white goodness on top.
originally posted by: FamCore
a reply to: Phage
Brazil nuts are the worst out of any nut mix IMO.
Pecans, walnuts, heck, even unshelled pistachios are way better in both the flavor and the texture.
And I admit it could be a preference and/or even a genetic thing (like Cilantro - I really don't like the cilantro flavor since it tastes like soap to me but some people love it).
That being said, I've never met anyone who volunteered the fact that they love Brazil nuts (conversely, peanuts, cashews, pecans,pistachios have all had some avid fans)
Brazil nuts are good for you if you don't eat more than two a day. Depending on your body weight and other factors, if you eat too many a day you could get selenium toxicity symptoms like hair loss, brittle nails, fatigue, nausea, rash, diarrhea, runny nose, cough and nerve pain. My mother likes them, and her doctor said they are good as long as she doesn't eat too many per day. He recommended no more than two a day for her.
originally posted by: Tucket
Buy a pack and then roast them. Delicious, and cheaper than other nuts.