Why don’t we fall out of bed when we’re aslee...

CrowdScience listener George is showing Alex Lathbridge around a small, dark, and extremely hot shed, just outside the city of Accra in Ghana. Inside are row after row of shelves, stacked high with bulging grow-bags. And out of some of them, gorgeous cascades of oyster mushrooms ...  Show more

Why is there such a variety of tongues in the animal kingdom? CrowdScience listener Dale has observed that his dog’s tongue is different from his and so is his cat’s. He’d like to know the reason. Caroline Steel visits London Zoo in the UK to find out more about the different typ ...  Show more

Guest presented by Liz Bonnin.We all instinctively know that sleep is incredibly important but science doesn’t actually have a satisfying answer for why we need to sleep. There are multiple theories, but now, new research from Imperial College London has suggested that the leadin ...  Show more

Why do we sleep and why do we dream? Despite the fact that every human being spends roughly 1/3 of his or her life asleep, science has yet to crack the mystery of the phenomenon. Why do we sleep and dream? The answer for now is...we don't know. To learn more, we interview psyc ...

Adventures in Dreamland "Why do we dream and why do we repeat dreams?" asks Mila O'Dea, aged 9, from Panama.Hannah Fry and Adam Rutherford delve into the science of sleep. From a pioneering experiment on rapid eye movement sleep, to a brand new 'dream signature' found in the brai ...  Show more

Why do we sleep? What exactly happens when we sleep and why is it so important? What are the implications of sleep deprivation? And what can we do to improve our sleep hygiene? Answering these questions is the life’s work Dr. Matthew Walker. Longtime listeners know that I am obse ...  Show more