Toxic foam covers India's sacred Yamuna river

One of India's holiest rivers was coated with toxic foam on Monday, adding to the woes of New Delhi residents already enduring a blanket of thick smog over the capital.

Scientists synthesize gypsum substitute

An international team of scientists has proposed a method of production of high-quality gypsum binders based on synthetic calcium sulfate dihydrate produced from industrial waste. Tests of the obtained material have shown ...

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