After ruling out diet, scientists discover the secret behind blue feathers lies inside how the feathers are made. Gavriel Jecan / Corbis For decades, scientists have known how birds with yellow or ...

Both scales and feathers are flat. So perhaps the scales of the birds' ancestors had stretched out, generation after generation. Later their edges could have frayed and split, turning them into ...

Speaking with the Daily Star Sunday, she shared her views: "Now Pauline has retired, Birds of a Feather won't come back. It wouldn't be the same without her. It's had its day now. It's time to ...