2-6-2026: The Zoo Scientist (blog), a guest blog about the potential use of partner choice tests for improvement of zoo breeding programmes. https://www.thezooscientist.com/single-post/can-zoos-improve-breeding-success-by-allowing-animals-to-choose-their-partner
16-5-2026: Trouw (newspaper), an interview with dr. Edwin van Leeuwen, dr. Nicky Staes, and me about our recent publication on aggression in zoo-housed chimpanzees and bonobos. https://www.trouw.nl/wetenschap/zonder-de-hippiemythe-zijn-bonobo-s-nog-veel-interessanter-ze-kunnen-echt-heel-venijnig-uit-de-hoek-komen~b396bd67/
28-4-2026: Volkskrant (newspaper), a critical opinion piece together with dr. Vittorio Busato about the TV-show Married at First Sight. https://www.volkskrant.nl/columns-opinie/opinie-in-married-at-first-sight-is-nee-het-beste-ja-woord~b51fca76/
25-4-2026: dr Kelder en Co (radio) about the question ‘are humans monogamous by nature?’. https://www.nporadio1.nl/fragmenten/dr-kelder-en-co/019dc473-728e-729f-ac7c-2f85b383f535/2026-04-25-zijn-mensen-van-nature-monogaam
13-12-2025: Nieuwsweekend (radio) as independent commentator on a new paper about monogamy in mammals. https://www.nporadio1.nl/fragmenten/nieuwsweekend/019b16e7-275b-71b8-a1f3-f395918a1f70/2025-12-13-de-mens-is-voor-66-procent-monogaam
7-8-2025: Nieuws en Co (radio) as independent commentator on a new paper about gorilla dispersal. https://www.nporadio1.nl/uitzendingen/nieuws-en-co/9d9abc62-4938-4cf2-8820-342eec72a104/2025-08-07-nieuws-en-co
24-3-2025: Parool (newspaper), an opinion piece together with dr. Dik Roth about the Dutch government’s science policy. https://www.parool.nl/columns-opinie/opinie-om-amerikaanse-wetenschappers-binnen-te-halen-getuigt-vooral-van-nederlandse-hebberigheid~b4ad51c2/
6-2-2025: Trouw (newspaper), an opinion piece together with dr. Jorg Massen about mental time travel in animals in response to a column stating that animals do not have a sense of time. https://www.trouw.nl/opinie/opinie-niet-alle-dieren-leven-in-een-tijdloos-nu~b5332b19/. You can download a version with references here: Opinie_MentalTimeTravel
5-10-2024: NRC (newspaper), a critical opinion piece together with dr. Jorg Massen about animal consciousness. https://www.nrc.nl/nieuws/2024/10/04/zonder-bewijs-geen-bewustzijn-a4868172.
27-3-2024: Telegraaf (newspaper), a critical opinion piece together with dr. Vittorio Busato about the TV-show Married at First Sight. https://www.telegraaf.nl/watuzegt/2091768319/bescherm-deelnemers-en-stop-gewoon-met-tv-programma-mafs. You can download a longer version with references here: OpinieMAFS_def
11-3-2024: Universiteit Leiden (webpage) about my PhD thesis. https://www.universiteitleiden.nl/nieuws/2024/03/hoe-touchscreens-en-eyetrackers-ons-iets-leren-over-het-dating-life-van-orang-oetans
7-3-2024: Mare (newspaper) about my PhD thesis. https://www.mareonline.nl/wetenschap/wat-tinder-kan-leren-van-orang-oetans/
24-2-2024: Trouw (newspaper), a critical opinion piece about the TV-show Married at First Sight. https://www.trouw.nl/opinie/kijkcijferkanon-married-at-first-sight-verkoopt-onzinwetenschap-over-partnerkeuze~bdbabbaa/. You can download a longer version with references here: MAFS_opinie_V4
29-12-2023: Trouw (newspaper) as independent commentator on a new paper about the chemical effect of female tears on male aggression in humans. https://www.trouw.nl/wetenschap/tranen-lijken-een-chemisch-afweermechanisme-tegen-agressie-wijst-een-experiment-uit~b5ac5b49/
29-11-2023: NPO 3/BNNVARA (tv), Dickpicks: de keiharde wetenschap about the potential role of sexual overperception bias in sending dickpicks. https://npo.nl/start/serie/dickpics-de-keiharde-wetenschap/seizoen-1/dickpics-de-keiharde-wetenschap_2/afspelen
8-11-2023: BNR Nieuwsradio (radio) about the question can science save your date? https://www.bnr.nl/podcast/wetenschap-vandaag/10530667/kan-de-wetenschap-jouw-date-redden
8-11-2023: Universiteit van Nederland (podcast) about human dating & science. https://open.spotify.com/episode/3mZ6QtNveIy0B6NKQdfYSw?si=9ad95cce060e4899
29-9-2023: Betweterfestival (Tivoli, Utrecht) as speaker about the question can we predict the success of a date? https://www.betweterfestival.nl/programma/2023/kunnen-we-het-succes-van-een-date-voorspellen
27-6-2023: Nieuws en Co (radio) as independent commentator on a new paper about orang-utan vocalisation. https://t.co/BSlU0RJhse
1-6-2023: EOS magazine about Tinder for orang-utans. https://www.eoswetenschap.eu/natuur-milieu/ook-orang-oetans-tinderen-de-klik-vooral-nodig-voor-de-paring
17-4-2023: Studium Generale Utrecht University about question are humans monogamous? (panel discussion). https://www.youtube.com/watch?v=b-jmFqf4Seo&t=1s
5-10-2022: Khalid & Sophie (tv talkshow) about Tinder for orang-utans (with Mariska Kret). https://www.bnnvara.nl/khalidensophie/artikelen/tinder-voor-orang-oetans
22-8-2022: Jeugdjournaal (children’s news) about Tinder for orang-utans. https://jeugdjournaal.nl/artikel/2441705-orang-oetans-daten-online-met-elkaar.html
22-8-2022: Radio 1 (radio news) about Tinder for orang-utans. https://www.nporadio1.nl/uitzendingen/nos-radio-1-journaal/51b915ad-b066-411c-9609-692e89e375c1/2022-08-22-nos-radio-1-journaal
21-8-2022: NRC (newspaper) about Tinder for orang-utans. https://www.nrc.nl/nieuws/2022/08/21/tom-roth-onderzoekt-of-je-orang-oetans-kunt-leren-tinderen-a4139452
1-8-2022. Quest Psychologie (magazine) about the question whether animals are self-conscious.
1-4-2022. Quest (magazine) about schadenfreude in animals.
4-10-2021: HBES (newsletter) about our Multimodal attractiveness-paper. https://www.hbes.com/multimodal-attractiveness-how-important-our-sight-sound-and-scent-are-for-first-date-impressions/
17-2-2021: Sleutelstad Radio (local radio) about Tinder for orang-utans. https://sleutelstad.nl/video/science071-2021-02-17-200536/
4-4-2020: Scientias (science news) about Tinder for orang-utans. https://scientias.nl/wetenschappers-helpen-datende-apen-met-het-vinden-van-de-ideale-match/
1-3-2020: Ledisch Dagblad (local newspaper) about our speed-date experiment (with Iliana Samara). https://www.leidschdagblad.nl/cnt/dmf20200302_4887957
3-10-2019: 3 October University (local children’s event) about the question whether animals can fall in love. https://www.universiteitleiden.nl/nieuws/2019/10/3-october-university-grote-wetenschap-voor-kleine-mensen
28-6-2019: de Volkskrant (national newspaper) about Tinder for orang-utans. https://www.volkskrant.nl/wetenschap/tinder-voor-apen-fijn-voor-de-aap-goed-voor-de-voortplanting~be71e4dc/