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A mathematics puzzle related to arrays used in X-ray images, eggs released by female red crabs and fraction of salad is presented.

The comic strip "Beatrice Black Bear," by John Grandito is presented.

The article provides information on the genetic analysis on how Christmas Island red crabs become a marathon runner.

The article reports on the difficulties faced by golfers on Christmas Island due to the presence of hundreds of red crabs migrating to and from the ocean during their breeding season. Local rules at the Christmas Island Golf Club require golfers to play around the crustaceans as if they were any other hazard. Starting around November, the red crabs that inhabit the island's rainforest make the journey to the ocean to mate, frequently crossing busy roads and walking through yards and houses on their way.