Using natural language processing, we identify corporate goals stated in the shareholder letters of the 150 largest companies in the United States from 1955 to 2020. Corporate goals have proliferated, ...

Polyethylene (PE) synthesized by Ziegler–Natta catalysts (MgCl2/TiCl4 catalysts) lack long-chain branching (LCB) structure, which to a great extent limits their end uses. In this paper, we report an ...

I’m old enough to remember when novelists were big-time. When I was in college in the 1980s, new novels from Philip Roth, ...

George R.R. Martin is one of the most famous authors alive. He was already a popular author when HBO adapted his Song of Ice and Fire novels as Game of Thrones, ...

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