Map of Indian subcontinent showing locations of Kolkata, Mt. Everest, and the Indo-Gangetic Plain, in purple. Basemap credit: Wikipedia, public domain

Map of Indian subcontinent showing locations of Kolkata, Mt. Everest, and the Indo-Gangetic Plain, in purple. Basemap credit: Wikipedia, public domain

Map of Indian subcontinent showing locations of Kolkata, Mt. Everest, and the Indo-Gangetic Plain, in purple. Basemap credit: Wikipedia, public domain

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Alka Tripathy-Lang, PhD

Alka Tripathy-Lang is a freelance science writer based in Chandler, Arizona, and holds a Ph.D. in geoscience.
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