Six down. One to go. Sayani Das of Kalna, East Burdwan, has crossed the Strait of Gibraltar, ticking off the sixth ocean channel in her long-distance swimming career. Starting with the English Channel ...

Ecosystem services are the benefits and functions that natural ecosystems provide to people. They include provision of food and clean water, pollination of crops, climate regulation and ecotourism ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

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