How can we evaluate what has been accomplished and guess at what's to come?
After a new brain-scanning approach revealed that a seemingly vegetative young woman was actually conscious, she started down the road to a partial recovery
Before the smartphone or even Morse code, some rural peoples “spoke” long distance by whistling. Linguists are racing to study the dying languages
Logic problems, missing digits, word puzzles and more
Simple Sudoku, scrambled words, magic squares and more
Logic problems, anagrams, magic squares and more
Logic problems, scrambled words, sudoku and more