
Discovery
Explorations in the world of science.
Latest episodes

Jul 19, 2025 • 49min
The Thirst for Water
Yael Velleman, Director of Policy and Innovation at Unlimit Health, tackles issues of water access and sanitation. Anthony Acciavatti, Associate Professor at Yale, shares insights from his exhibition on groundwater's historical significance. Neil Turner, a nephrologist, discusses the vital role of hydration for kidney health. They explore the global water crisis, the impact of climate change on water availability, and the myths around hydration. The conversation culminates in a call for awareness and action to ensure equitable access to clean water for all.

10 snips
Jul 14, 2025 • 26min
Tooth and Claw: Harpy Eagles
Eduardo Alvarez, founder of EarthMatters.org, and biologist Helena Aguiar-Silva, a researcher at the National Institute for Amazonian Research, dive deep into the world of harpy eagles. They discuss the eagle's impressive adaptations and cultural significance, as well as how deforestation forces these apex predators to shift their diets. The innovators explore groundbreaking GPS technology's role in tracking these majestic birds and the collaborative conservation efforts aimed at protecting their rainforest habitat.

Jul 7, 2025 • 26min
Tooth and Claw: Killer Whales
Investigating the black-and-white apex predator of the sea – the killer whale! Able to predate even great white sharks, this marine mammal is the largest member of the dolphin family. From tropical seas, to the Arctic and Antarctic, killer whales (or orcas) are found across the world. Living in family groups and often led by a post-menopausal matriarch, killer whales have passed on their hunting methods, which vary depending on which prey they specialise in hunting, through the generations.Presenter Adam Hart finds out about the killer whales incredible social behaviours (such as wearing salmon as hats) and hears how a dog is helping killer whale researchers access a gold mine of information about this predator. He also hears what challenges killer whale populations are facing and why killer whales may be attacking boats off the coast of the Iberian peninsula.Contributors:Dr. Leigh Hickmott, whale biologist and conservationist, who is an expert on Pack Ice killer whales, and whose research uses them as indicators to assess human disturbance of marine habitats.Dr. Deborah Giles, who is an expert on Southern Resident killer whales, based with the SeaDoc Society, a program of the Karen C. Drayer Wildlife Health Center at the UC Davis School of Veterinary Medicine.Presenter: Professor Adam Hart
Producer: Jonathan Blackwell(Photo: Killer Whales, Credit: Serge MELESAN via Getty Images)

Jun 30, 2025 • 26min
The Life Scientific - Tim Peake
What's it like living underwater for two weeks? What's the trickiest part of training to be an astronaut? What are the most memorable sights you see from space? Several extreme questions, all of which can be answered by one man: Major Tim Peake. After a childhood packed with outdoor adventures, via the Cub Scouts and school Cadet Force, Tim joined the British Army Air Corps and became a military flying instructor then a test pilot; before eventually being selected as a European Space Agency (ESA) astronaut. In 2015, Tim became the first British ESA astronaut to visit the International Space Station. Over the course of a six-month mission, he took part in more than 250 scientific experiments and worked with more than two million schoolchildren across Europe. In a special New Year’s episode recorded in front of an audience at London’s Royal Society, Professor Jim Al-Khalili talks to Tim about his lifelong passion for adventure, the thrill of flight and why scientific experiments in space are so important. Presented by Jim Al-Khalili
Produced by Lucy Taylor

Jun 3, 2025 • 49min
How does heat affect our health?
What effect will warming temperatures have on health? One place to look for answers is Bulgaria. In the summer of 2023, Bulgaria experienced numerous heatwaves, leading to the country experiencing one of the highest rates of heat mortality in Europe. But how are these numbers calculated? How exactly does heat affect us? Who is most likely to suffer from ill health due to heat? And how can we protect ourselves in an increasingly warming world? Along with a panel of experts, Claudia Hammond will explore these questions and more with a live audience at the Sofia Science Festival in Bulgaria. Are we prepared for how rising temperatures will affect our health? This programme aims to find out.

May 12, 2025 • 28min
Unstoppable: Inge Lehmann
From growing up in a progressive Denmark to studying mathematics at a gender-segregated Cambridge University, Inge Lehmann had to power through the shock of cultural change to pursue her love of mathematics. Whilst managing several seismological stations, Inge notices the peculiar readings in the data she was collecting. Was the Earth’s composition actually different to what the experts had thought?Dr Julia Ravey and Dr Ella Hubber tell the story of Danish seismologist Inge Lehmann who used earthquakes to uncover the truth about the composition of the Earth’s inner core.Presenters: Ella Hubber and Julia Ravey
Guest Speakers: Dr Lif Lund Jacobsen and Dr Trine Dahl-Jensen
Producers: Ella Hubber and Julia Ravey
Assistant producers: Sophie Ormiston, Anna Charalambou and Josie Hardy
Sound designer: Ella Roberts
Production co-ordinator: Ishmael Soriano
Editor: Holly Squire (Photo: Inge Lehmann Credit: Neuhaus, Even (6.2.1863-20.4.1946) /Royal Danish Library)

21 snips
May 5, 2025 • 26min
Unstoppable: Tebello Nyokong
In this enlightening discussion, Professor Tebello Nyokong shares her remarkable journey from herding sheep in Lesotho to becoming a leading figure in nanotechnology and cancer treatment. Overcoming systemic educational barriers during apartheid, she emphasizes the importance of mentorship and the transformative power of education. Tebello passionately details her groundbreaking work in photodynamic therapy, aiming to establish Africa as a science superpower. Her story is a testament to resilience, ambition, and breaking gender stereotypes in the scientific community.

31 snips
Apr 28, 2025 • 26min
Unstoppable: Kura Paul-Burke
Dr Julia Ravey and Dr Ella Hubber are both scientists, but it turns out there’s a lot they don’t know about the women that came before them. In Unstoppable, Julia and Ella tell each other the hidden, world-shaping stories of the scientists, engineers and innovators that they wish they’d known about when they were starting out in science. This week, a Māori marine scientist is combining indigenous knowledge with marine science to save the oceans that are so integral to her heritage.Growing up in 1970s New Zealand, Kura-Paul Burke faced stigma due to her Māori roots. But, after finding herself studying marine science as an adult, Kura leaned on her heritage to take on a problem where many had already failed: restoring a lost population of precious, green-lipped mussels. Discover how Māori ancestresses, tribal elders and centuries-old knowledge inspired the ingenious methods of Aotearoa's first female Māori professor of marine science.Presenters: Ella Hubber and Julia Ravey
Guest Speaker: Dr Kura Paul-Burke
Producers: Ella Hubber and Julia Ravey
Assistant Producers: Sophie Ormiston, Anna Charalambou and Josie Hardy
Sound Designer: Ella Roberts
Production Coordinator: Ishmael Soriano
Editor: Holly Squire(Image: Dr Kura Paul-Burke. Credit: Dr Kura Paul-Burke)

Apr 21, 2025 • 29min
Unstoppable: Jocelyn Bell Burnell
Dr Julia Ravey and Dr Ella Hubber are both scientists, but it turns out there’s a lot they don’t know about the women that came before them. In Unstoppable, Julia and Ella tell each other the hidden, world-shaping stories of the scientists, engineers and innovators that they wish they’d known about when they were starting out in science. This week, the story of a young PhD student whose discovery of a previously unknown object in the universe won a Nobel Prize...but not for her.On a cold night in 1967, Jocelyn Bell Burnell sits alone in an observatory, reading the data from a radio telescope. As the pattern in the data suddenly changes, she realises she has discovered an entirely new kind of cosmic phenomenon. Uncover her life story, from getting snubbed for the Nobel Prize to paving our knowledge of distant and invisible aspects of the universe.Presenters: Ella Hubber and Julia Ravey
Guest Speaker: Professor Dame Jocelyn Bell Burnell
Producers: Ella Hubber and Julia Ravey
Assistant Producers: Sophie Ormiston, Anna Charalambou and Josie Hardy
Sound Designer: Ella Roberts
Production Coordinator: Ishmael Soriano
Editor: Holly Squire (Image: Jocelyn Bell Burnell attends the 2019 Breakthrough Prize at NASA Ames Research Center on November 4, 2018 in Mountain View, California. Credit: Kimberly White/Getty Images for Breakthrough Prize)

10 snips
Apr 14, 2025 • 26min
Unstoppable: Tu Youyou
Discover the incredible story of Tu Youyou, a young scientist who pursued ancient remedies to tackle malaria during a tumultuous time in Chinese history. Uncover how she combined traditional medicine with modern science, leading to a groundbreaking cure. The podcast dives into the political complexities of medical interventions during the Vietnam War and sheds light on the science behind artemisinin, a life-saving treatment. Her journey showcases the power of perseverance and the intersection of history, politics, and innovation.