Crystal Palace sailed into fifth round of the FA Cup with a 2-0 win at League Two Doncaster Rovers.

Liquid crystals are substances that flow like a liquid but maintain some of the ordered structure of crystals. Liquid-crystal molecules tend to be elongated and to orient in specific directions.

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I had to wait several days before even sitting down to think about writing about the crash of American Eagle flight 5342 operated by PSA Airlines. The initial shock gave way to anger as the government ...