The production of many products used in everyday life and in industry, such as pharmaceuticals, plastics, and coatings, requires chemical catalysts, often expensive noble metals with limited ...

Commencement will feature degree conferrals, the awarding of honorary degrees, remarks from Penn officials, and a keynote ...

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As human rights advocate is treated in Tehran hospital after transfer from Zanjan prison, prize winners demand her freedom ...

Narges Mohammadi, a prominent human rights activist who has spent much of her adult life in and out of prison, will undergo ...