It’s Not Just Numbers is a podcast about mathematics and its human side. Each episode begins with our guests’ own stories: how they came to maths, what drew them in, and what fills their time outside it. We then explore a mathematics-related theme, from research and teaching to academic life and the wider role mathematics plays in society, while making space to question common stereotypes and misconceptions about maths and mathematicians.If mathematics has ever sparked your curiosity, or if you have ever wondered what it is really about, this podcast is for you!Opinions are our own.
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Contact path
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Booking probability
31%
Guest openness
Selective
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Signup to Generate a PitchIt’s Not Just Numbers is a podcast about mathematics and its human side. Each episode begins with our guests’ own stories: how they came to maths, what drew them in, and what fills their time outside it.
Recent episodes include "S3E05 - The afterMath 3 with Bram Brongers and Majken Driessen-Roelfszema" (8 July 2026, 78 minutes), "S3E04 - Becoming a teacher with Heleen van der Ree and Gerrit Roorda" (11 April 2026, 74 minutes), and "S3E03 - Postdoc life with Lara Vicino and Armin Pirastehzad" (18 March 2026, 68 minutes).
It’s Not Just Numbers publishes roughly monthly, with episodes averaging 77 minutes across 25 episodes.
Booking probability for It’s Not Just Numbers is 31%, and the host is rated Selective on guests. It’s Not Just Numbers requires a Pod Score of 80 or higher. It’s Not Just Numbers's contact route on record: verified email.
The strongest fits for It’s Not Just Numbers are Universities & Colleges. It’s Not Just Numbers has an education audience.
It’s Not Just Numbers is an education show with 25 episodes published.
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Episode #5
We continue our exploration of mathematicians outside mathematics departments, the AfterMath, joining our former students Bram Brongers and Majken Driessen-Roelfszema. Their different work histories, personalities and...
Episode #4
<p>In this episode, Heleen van der Ree (NVvW – Dutch Association of Teachers in Mathematics) and Gerrit Roorda (Teacher Educator, University of Groningen) join us in a conversation around what it means to become a high...
Episode #3
<p>In this episode we sit down with Lara Vicino and Armin Pirastehzad to discuss what it is like to become a Postdoctoral Researcher. The life of a researcher is often romanticized, but what really happens the day after...
Episode #2
<p>In this episode we get to know Remco de Jong and Ilinca Antonache, board members of the mathematics and physics study association FMF. Together we get to understand what are study associations at Dutch universities...
Episode #1
<p>Welcome to the new year, and to a fresh season of It’s Not Just Numbers! We’re kicking things off with a special episode to meet your new hosts. What drives them inside and outside the classroom? How did they find...
Episode #10
<p>The last episode of this season, is also the first of a new sub-series that we would like to keep exploring in the future: teaching mathematics at school.</p><p>Maarten de Witte, a former student at our mathematics...
Episode #9
<p>We come back to the question of S2E05: you have studied mathematics... now what? We met our old friend (and former co-host) Marit van Straaten and our former student Josselin Kooij, to talk about the possibilities...
Episode #8
<p>In this special episode, we return to the topics of learning and teaching mathematics. We are joined by Brendan Kelly, Director of Introductory Mathematics at Harvard University, to discuss the opportunities that...
Episode #7
<p>This is the first episode of another small spinoff of It's Not Just Numbers, were we discuss with researchers working on mathematical topics in different disciplines and departments. </p><p>In this episode, we talk...
Episode #6
<p>What is a proof? And what is a proof assistant? Isn't writing proofs what mathematicians are supposed to do themselves? In this episode, Sander Dahmen and Jim Portegies, will help us explore these questions and...
Episode #5
<p>You have studied mathematics... now what? In this episode we talk to Sven Bootsma, Max Lein and Oscar Koster about the possibilities for mathematicians that don't pursue a career in academia.</p><p>After getting to...
Episode #4
<p>What does it mean to do research? What does a researcher in mathematics do, effectively, to research? In this episode, we pick up a common question from our listeners, and try to give some partial answer with the...
Episode #3
<p>In this episode we talk with Constanza Rojas-Molina and Martin Skrodzki about illustrating mathematics. From pseudonyms and hobbies to careers where their illustrative work is indispensable, we talk about their...
Episode #2
<p>In this episode we are joined by Ekin Özman and Bart Besselink to discuss what are the work days of a mathematician at a univerisity like. With their help we get a little panoramic on what a career in mathematics...
Episode #1
<p>We are back with an episode on what makes mathematical problems interesting. In the studio with us, for this impossible topic, are Serte Donderwinkel and Steffen Müller: together we explore what we find interesting...
Episode #10
<p>For the the last episode of this season, we are joined by Henk Broer and Harry Trentelman, two emeritus professors at our Institute.</p> <p>They share their views on how the mathematical landscape has evolved over...
Episode #9
<p>For the ninth episode, we are joined by three Mathematics PhD students from our institute: Anne-Men Huijzer, Dijs de Neeling and Armin Pirastehzad.</p> <p>They share their perspective as final year PhD students in...
Episode #8
<p>Welcome to the eight episode! This time we are joined by two Mathematics students, Naná Giadresco and Anna de Bruijn. They share their perspective as Mathematics students, as we discuss studying and teaching during...
Episode #7
<p>Welcome to the sixth episode of It's Not Just Numbers! For this episode we challenged a probabilist, Gilles Bonnet, and a statistician, Marco Grzegorczyk, to sit in the same room and explain us the commonalities and...
Episode #6
<p>Welcome to the sixth episode of It's Not Just Numbers! Complementing last month’s episode, we are joined by Cristóbal Bertoglio and Juan Peypouquet to discuss the multifacet world of applied mathematics. </p>...
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