The Coleco Adam is one of the great might-have-beens of the 8-bit home computer era, with an impressive bundle and on-paper spec let down by bugs, hardware issues, and poor availability.

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Pebble poop—small, hard pellet-like stool that look like pebbles—is usually a sign of constipation. You can usually go back to having normal stools by increasing your fiber and fluid intake. Severe ...