The Secret of Dark Energy with Jeff Silverman

Who invented the peanut butter and jelly sandwich? And how did it become one of the most famous lunches in America? In this episode, a question from listener Leila sends us on a trip through history to find out how peanut butter, jelly, and sliced bread came together to make the ...  Show more

Why do humans usually have five fingers on each hand? And what if one day, we could grow a new finger if we lost one? In this episode, a question from six-year-old listener Ayla sends us on a journey from tiny developing embryos to one of the most amazing animals on Earth: the ax ...  Show more

This week on The Naked Scientists, we are looking at attempts to map the dark universe. As the new space telescope Euclid seeks to unlock the mysteries of dark matter and dark energy, we ask why their secrets have eluded us for so long... Like this podcast? Please help us by supp ...  Show more

Most of the matter in the universe is dark matter, an invisible, untouchable, mysterious substance. Scientists don’t know what exactly dark matter is, despite decades of searching. But recently, they got a new clue in the form of an extremely tiny dancer. This episode is a remix ...  Show more

While Fred and Andrew head off on an end of year break....we dip back into our recent past and bring you one of our 'all-questions' episodes for a repeat run, just in case you missed it the first time or simply need a refresh.

Are you ready to have your understanding o ...  Show more

Melvyn Bragg and guests discuss 'dark energy'. Only 5% of our universe is composed of visible matter, stars, planets and people; something called 'dark matter' makes up about 25% and an enormous 70% of the universe is pervaded with the mysteriously named 'dark energy'. It is a re ...  Show more