On this Question of the Week, we ask if humans grow a winter coat, and then moult in the winter, as so many other furry animals do? Plus, if Flamingoes are pink because of their diet, can we eat to change colour? Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Chameleon Food

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...