Welcome to our free impossible sudoku games. Fill in each square with a number, making sure no number repeats in each column or row. Check back every Sunday for a new puzzle or explore ones we ...
You can now play a range of puzzles on our site, from sudoku to crosswords, every weekday. The puzzles will update every weekday at midnight so make sure you bookmark the links to play.
Extreme sports, such as snowboarding and mountain climbing, are gaining popularity all over the world. While these activities provide a sense of excitement, they can result in life-threatening ...
This story is part of special report on science and extreme heat. Read about the scientists studying how scorching temperatures affect the body, how climate change is intensifying health problems ...