HealthWhat if your gluten intolerance is all in your head? For many sufferers, gluten intolerance may originate in the mind, not the body. But that's nothing to be ashamed of, says philosopher Alan LevinovitzComment
LifeStarfish eyes are good enough to show them the way home If they stray from the reef, starfish can use the light-sensitive organs at the tips of their arms to form images, helping them find their way home 51¶¯Âþ