Taking a trick from birds and butterflies, a mollusk shines blue using intricate structures that allow selective reflection of light. But unlike other animals, the blue-rayed limpet, a snail that ...

Let's just be upfront: The blue shell in "Mario Kart" is a frustrating, obnoxious item that we all wish would go away. It's the number one cause of snatching defeat from the jaws of victory in any ...

For nearly three decades, it has been gaming’s most ruthless foe: the blue shell. First introduced in 1996’s Mario Kart 64, I’d wager that the dreaded homing missile has been the cause of more broken ...