As much as 80% of the world's maple syrup comes from Quebec, the federation says.

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Incidentally, it is also a popular region in which to visit one of Connecticut's sugar houses, producing Connecticut's famous maple syrup.

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When you search for certain keywords like durian, campsite, moth balls, grandpa's hat or maple syrup, a description of that object's odor and a big blue "Smell" button appear alongside the search results.

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The cream adds a lushness and the raspberries temper the maple syrup's sweetness (later in the year, fresh raspberries can be substituted).

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But the industry is growing in western Canada and Alaska, and it's being studied as a possible add-on venture for maple syrup producers across the northeastern United States.

WSJ: Birch syrup explored as add-on to maple industry

The maple syrup farming business had been in her husband's family for more than 50 years, but it was Weck who, at the age of 42, decided to combine old-style Vermont with high-tech California, and sell their syrup online.

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Similar work is under way at the University of Vermont's Proctor Maple Research Center, where professor Abby van den Berg is studying whether it makes economic sense for maple syrup producers to expand into birch.

WSJ: Birch syrup explored as add-on to maple industry