Roger Waters continues to perform ‘The Wall’ even after leaving Pink Floyd. AP Photo/MTI, Balazs Mohai

‘The Wall’ cemented Pink Floyd’s fame – but destroyed the band

Mark E. Perry, Oklahoma State University

The story of the album, which was released 40 years ago, is a classic tale of how bands struggle with unchecked egos and competing visions.

Tens of millions of people worldwide suffer from migraines, according to the World Health Organization. Maridav/

How does a piece of bread cause a migraine?

Lauren Green, University of Southern California

Many migraine headaches are triggered by certain foods. Recently, a lot of attention has focused on gluten. An expert explains how a piece of bread can cause pain in your head.

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