The Daily Memphian now offers readers all four sudoku-puzzle difficulty levels every day. Keep scrolling for easy, medium, hard and killer sudokus. Need more to satisfy your sudoku craving?

Ascorbic acid plays an important role in the formation of collagen and extracellular matrix, leukocyte function, iron absorption, folic acid metabolism, and other enzymatic processes. Anomalies in the ...

The Hard Mode Egg Hunt requires you to find and collect 25 Eggs, with the added difficulty of having to look inside buildings. This also requires you to have a ladder equipped to reach areas that ...