10 Unusual and Amazing Snakes

10 Unusual and Amazing Snakes There are about 3,000 species of snakes in the world; since their appearance during the age of dinosaurs they have adapted to many different lifestyles and evolved into many different and often…

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Rubik's Cube Now Solvable in 20 Moves

Rubik’s Cube Now Solvable in 20 Moves A few years ago we reported that it had been proven that Rubik’s Cubes could be solved in 23 moves. Well now that number is down to just 20. Proving it required 35 years of computer time donated by…

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