They can be used to join together two clauses in a sentence. However, the clauses need to make sense on their own. For example: I had a terrible cold. I still went to work. You can add the ...

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Explore a wide range of recent research in mathematics. From mathematical modeling to why some people have difficulty learning math, read all the math-related news here.

What are your thoughts on using photo editing tools, filters and artificial intelligence image generators to improve your appearance? By Natalie Proulx The Times Upshot reporter Claire Cain Miller ...