Microsoft PowerPoint is on over a billion computers worldwide, according to Robert Gaskins, one of the program's developers. So it's likely you'll come across a PowerPoint Presentation file you need ...

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"The grey drizzle of horror," author William Styron memorably called depression. The mood disorder may descend seemingly out of the blue, or it may come on the heels of a defeat or personal loss, ...

Sargassum plants are a nuisance on some beaches, but they are a shelter and a feast for a complex and amazing variety of marine life. A clump of sargassum weed the size of a soccer ball drifts near ...