She stumbled upon an online community called Blotanical, a forum for gardeners, many with an interest in sustainability.
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Related: forum
Prev: Goel and his team sourced the online discussion forum to find all the 40,000 questions that had ever been asked since the class was launched.
Next: Students attend after-school clubs, summer camps, online forums and classes, and university-based "math circles", to prepare for the competitions.
