In this touchy-feely Question of the Week we find out which bits of  the brain interpret text and Braille. Are they the same? Plus, we ask how it is that light bends under gravity, even though it's supposed to be massless! Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Why does light bend under gravity?

Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...