Dark matter and dark energy: mapping the dark...

Coming up, the UK follows Australia's lead in introducing age-related restrictions on social media. But do they work? Plus, how biologists are fighting infection from inside cells; researchers trace the origins of cotton to Mexico; and Elon Musk becomes the world's first trillion ...  Show more

Coming up, we explore the summer solstice and its enduring connection with Stonehenge. Larissa Palethorpe at the University of Bristol explains the astronomical significance of the summer solstice; Jennifer Wexler at English Heritage on the origins of Stonehenge; Richard Bevins a ...  Show more

Scientists have been searching for dark matter for decades, and think there’s six times more of it in the universe than the stuff we can actually see, like stars and planets. But they still don’t know what it is. So how can we be sure dark matter really exists? And why does it ...

No one knows what dark energy is or why it exists. So how did astronomers discover the mysterious force that's pulling the universe apart? Astronomer Jeff Silverman explains one of the universe's biggest mysteries. Learn more at www.tumblepodcast.com! Subscribe on iTunes and leav ...  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

Episode 2: Lost in the DarkPhysics is getting a good understanding of atoms, but embarrassingly they’re only a minor part of the Universe. Far more of it is made of something heavy and dark, so-called dark matter. The scientists who discovered the Higgs boson ten years ago though ...  Show more