Can smells fill you up?

Why do we feel itchy? So many listeners have emailed in with questions about itchiness, and presenter Anand Jagatia on the case. We explore why we itch, the different types of itch, the different causes, and why scratching can help with the itchy sensation. Anand puts your questi ...  Show more

As our oceans warm due to climate change, sea levels are rising. It ought to be straightforward – as water gets warmer, it increases in volume. All the world’s oceans are connected, so how come sea levels are rising at different rates around the world, and even falling in some pl ...  Show more

We talk to volcano scientist Ed Marshall in Iceland about working at the volcano which has burst into life spectacularly again after a year of quiet. Also in the programme, we'll be following migrating moths across Europe in light aircraft to discover the remarkable secrets of th ...  Show more

Sniffing a fragrant flower, inhaling the aroma of a good cup of coffee, breathing in your loved one’s signature scent–these are just a few of the joys you might feel deprived of when you lose your sense of smell. But smell is a surprisingly underrated sense and many of us don’t k ...  Show more

Why are some smells so nasty and others so pleasant? Rutherford and Fry inhale the science of scent in this stinker of an episode.Our sleuths kick off with a guided tour of the airborne molecules and chemical receptors that power the sense of smell. Armed with a stack of pungent ...  Show more

Senteur de viande grillée, parfum de pain chaud… En vous promenant dans la rue, une odeur agréable vous a peut-être déjà happé au point de franchir les portes d’un commerce pour en ressortir avec un aliment constituant pour tout ou partie votre prochain repas. En effet, les odeur ...  Show more