India's Chenab-Beas tunnel could redirect Himalayan water, raising major engineering and geopolitical questions.
The same 40 million people up and down the Colorado River are lining up for an ever-shrinking supply of water.
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Travel tips for hypertrophic cardiomyopathy
Get expert tips on HCM travel essentials, including managing meds, eating well, preparing for emergencies, and more.
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