As Karanth pulls up behind them I see stripes of orange, black and white. “Tiger!” I yelp. One of nature’s most perfect killing machines dozes in the afternoon heat. We watch the cat sleep ...

The world-famous mathematician Alan Turing found a possible mechanism for iconic animal patterns thanks to differential ...

Test your observation skills with today's optical illusion challenge! Can you find the hidden number "3" among the letters “B” and “O” made of brown fur? Only 1 per cent of people can spot it without ...