Richard Bunting works with Rewilding Britain and has over 30 years’ experience campaigning with NGOs such as Amnesty International, UNICEF, WHO, Trees for Life and the UN.

Episode 1 in the Wildlife Series. We discuss the story of the Buffalo in America and how these great herds known once as the "Thunder on the Plains" with a population numbering 30-60 million, were deliberately and rapidly destroyed as a tool in the war against the Native Americans, to a number of only around 300.

Franck Marchis is a Planetary astronomer at the SETI Institute and the CSO at Unistellar.

Lewis Dartnell is an Astrobiologist, Presenter and Author.

Episode 1 in the Other Worlds Series. We investigate humanities obsessive relationship with Mars, and subsequently, the idea of the martian. This tale follows how Mars played a role in the world's religions, the planet's involvement in the development of astronomy, and finally, the unfortunate tale of Percival Lowell and his "Martian Canals".

Tom is a Quantum Computing researcher and physicist, working at the intersection between physics and computer science.

George Musser is a contributor to the Scientific American, an author and science communicator.

Episode 1 in the Quantum Series. We follow the story of Niels Bohr, a Jewish born physicist and one of the Fathers of Quantum Mechanics, during the invasion of the Nazi’s to his home nation of Denmark. Bohr’s escape is an incredible tale, ending in his eventual involvement in the nuclear weapons program that arguably changed the face of humanity.

Meeta Singh is a Physician who applies Sleep Science to enhance physical and mental performance, assisting athletes within the NBA, NHL, NFL and MLB. www.meetasinghmd.com

David Cunnington is a Specialist Sleep Physician, diagnosing and treating sleep disorders out of his clinic in Melbourne, as well as via his podcast, Sleep Hub. https://drdavidcunnington.com.au/

Episode 1 in the series on sleep where we will follow the story of Silvano, a monumental figure in the world of sleep science who carried the condition fatal familial insomnia, and in the process, taught modern medicine the extreme case of what happens to a person when they do not get sleep.

Sasha Sagan is an Author and Science Communicator, as well as the daughter of world renowned educators Carl Sagan and Ann Druyan. Her new book "For Small Creatures Such as We" can be found here: https://www.penguinrandomhouse.com/books/566611/for-small-creatures-such-as-we-by-sasha-sagan/

David Williams is a Research Professor at the School of Earth and Space Exploration at Arizona State University who has worked on a number of NASA’s Robotic Missions and is currently an investigator with NASA’s Psyche mission. The Psyche Mission is an orbiter mission that aims to learn about the origins of planetary cores by exploring the metallic 16-Psyche Asteroid.

Justin Lehmiller is a Science-Backed Sex Researcher, Social Psychologist, Author of the Blog "Sex & Psychology", as well as his most recent book "Tell Me What You Want", which offers an unprecedented look at sexual fantasy based on the most comprehensive study ever conducted.

Robin Ince is a Comedian, Writer and Host of the BBC Series The Infinite Monkey Cage alongside Physicist Brian Cox. Robin also has his own Broadcasts within the Cosmic Shambles Network. Find out more here: https://cosmicshambles.com/

Robert Degle has an Educational History in Philosophy, a Current John Danaher Brown Belt and is the Soon-To-Be Jiu Jitsu Coach at Evolve MMA in Singapore. For More: https://www.instagram.com/robertdeglebjj/

Tanya Harrison is a Former Mission Operator with the Mars Rovers and a Planetary Scientist Focusing on Martian Geomorphology and both Martian and Terrestrial Imaging. http://tanyaofmars.com/

Stephan Kesting is a BJJ Black Belt and Firefighter with an academic background in Biology who recently completed a 1,000 mile solo Canoe Trip through Canada’s Arctic. https://www.grapplearts.com/

Kristen Mark is a Sex and Relationships Researcher, behavioural health scientist and psychologist whose work covers sexual health, sexual desire and desire discrepancies, as well as national and global sexual education policy and theory.

Kristina Campbell is a Human Microbiome Writer, Documenting Gut Microbiota, Nutrition, Probiotics, Prebiotics and Fecal Microbiota Transplantation. bykriscampbell.com

Sokeel Park is the Director of Research for Liberty in North Korea (LINK), an organisation that works to rescue thousands of North Korean Refugees who have escaped their country and are vulnerable to exploitation and capture, by ensuring their safe and dignified journey to freedom within South Korea.

Chris Grant is a Science Historian specialising in the Space-Flight Era and the creator of Universe University, a Science History podcast and blog. www.universeuniversity.space

Deborah Hyde is a Folklorist, Skeptic and Cultural Anthropologist who specialises in the Supernatural, Paranormal, and Cryptozoology. She can be found at deborahhyde.com.

Daniele Bolelli is a Historian, Author and Storyteller with his very popular "History on Fire" Podcast. http://www.danielebolelli.com/