Void Deck

Science Centre Singapore

Welcome to Void Deck, a casual science podcast produced by Science Centre Singapore. Inspired by cosmic voids and HDB community spaces, we get you curious about big ideas in everyday life. Each episode, we bring science out of the labs and into your neighbourhood. We sit down with a local science changemaker and ask all the questions you’re too paiseh to ask. Is the fish in the wet market my distant cousin? Will robots eventually take over the world? Listen to down-to-earth conversations with Singapore experts on everything from space, nature, tech, health, and culture. Tune in and explore the universe from the heartlands! Discover more Singapore science stories at voiddeck.science.edu.sg.

  1. 16 thg 6

    Deep Dive Into All Things Ocean

    What's the difference between scuba and free diving? What kind of marine life is in Singapore? What sounds do you hear underwater? Can corals get un-bleached? And most importantly, what on earth is zooxanthellae? In this episode of Void Deck by Science Centre Singapore, Lydia asks science educators Meng and Edna to deep dive into all things ocean. For more ocean content, join us for our Science Cafe panel discussion on 26 June 2026: https://www.science.edu.sg/workshops-activities/science-cafe Episode Highlights & Timestamps 00:00 - 01:23 Introduction 01:23 - 03:11 Scuba and Free Diving 03:11 - 04:25 Marine Life: Dugongs 04:25 - 05:16 Marine Life: Peacock Mantis Shrimps 05:16 - 05:52 Marine Life: The Number 1 Rule 05:52 - 08:41 Marine Life in Singapore 08:41 - 11:46 Difference between Scuba and Free Diving 11:46 - 13:38 Are corals plants or animals? 13:38 - 15:48 Sounds underwater 15:48 - 16:28 Are whalesharks whales or sharks? 16:28 - 17:16 What is a plankton? 17:16 - 18:38 Coral bleaching 18:38 - 20:03 Guest Feature: Tara Ocean Foundation Guest biography Mr. Lim Meng Hwee (Meng) is a Senior Science Educator at Science Centre Singapore. Some of the classes he teaches include the Aquatic Plants & Animals class, as well as astronomy workshops and planetarium live shows at the Omnitheatre on some Friday nights. Ms. Edna Chan is a Master Science Educator from the Gallery Experience & Sustainability team at Science Centre Singapore. She hosts some of the flagship shows at our centre, such as the Energy Titans and Fire Tornado shows. For full transcript and show notes, visit https://voiddeck.science.edu.sg/s3e3-deep-dive-vodcast/ Get your tickets to ONE Ocean here: https://www.science.edu.sg/whats-on/one-ocean

  2. 03/12/2025

    Are Our Heritage Trees Actually Non-Native? with Dr. Shawn Lum

    Scattered across Singapore are 255 registered Heritage Trees—remarkable for their majesty, cultural value, and the histories these green landmarks are rooted in. While some are native, many aren’t. So how did our heritage trees end up here, and what makes them worth conserving? In this episode, tropical forest ecologist Dr. Shawn Lum walks us through the hidden world of our heritage trees, the work that goes into conserving them, and why they matter more than we might think. Episode Highlights • The meaning behind Heritage Tree status - how trees earn this prestigious designation through their botanical value and cultural significance • The extensive work that goes into conserving our natural heritage, from expert arborist inspections to lightning protection installation • The journey of Singapore's most common Heritage Tree species, the Rain Tree, from South America to Southeast Asia • Discovering century-old majestic trees in the Changi area that still stand as living witnesses to Singapore's changing landscape • How everyday citizens can contribute to forest conservation, from nominating potential Heritage Trees to participating in the One Million Trees movement Timestamps 00:00 Intro 00:59 Definition and Criteria for Heritage Trees 02:29 Nomination Process for Heritage Trees 04:27 Non-Native Species and Globalisation 07:34 Maintenance of Heritage Trees 10:44 Dr. Lum’s Favourite Heritage Trees 13:44 What You Can Do to Help Our Forests 15:14 Outro Guest Bio: Dr. Shawn Lum joined the NTU Asian School of the Environment in January 2016 after spending more than twenty years as a Lecturer at the National Institute of Education. He joined NIE upon completion of his PhD at the University of California, Berkeley. Shawn is a product of islands - he was born in Tokyo, raised in Honolulu, and has spent his working career in Singapore. Shawn's teaching has centered upon plant diversity, forest ecology, and conservation. In addition to his teaching and academic work, he works closely with local environment and nature-related agencies and is also active in nature conservation NGOs and civil society. [From NTU] Read the full transcript and show notes at https://voiddeck.science.edu.sg/s2e4-ecology

    Are Our Heritage Trees Actually Non-Native? with Dr. Shawn Lum
  3. 03/12/2025

    Is Your Phone Making You More Kiasu? with Dr. Jean Liu

    According to a study by IMH, about 1 in 3 Singaporeans aged 15 - 65 are reported to have problematic amounts of smartphone usage in their daily lives. But what happens when we’re seeing our peers on their 5th couples trip to Japan on Instagram? Does it make us more “kiasu” about our own lives? Can our brains get so overloaded with digital content to the point of “brain rot?” What can we do to develop healthier relationships with our devices? Behavioural scientist Dr. Jean Liu shares her insights. Episode Highlights • How the “fear of missing out” (FOMO) drives problematic social media use—people who fear missing out are most vulnerable to excessive platform engagement and its negative effects, especially on social networking sites • Why the pop science concept of social media providing "dopamine hits" might be oversimplified and what neuroscience actually tells us about our brains on screens • The truth about "brain rot" and why consuming "mindless" content isn't necessarily harmful • How our phones are changing the way we remember and behave, from search-engine-oriented memory patterns to the psychological impact of "phubbing" (phone snubbing) • Practical strategies for digital wellness including the concept of "digital minimalism" that focuses on aligning device use with life goals rather than arbitrary screen time limits Timestamps 00:00 Intro 00:52 What is Kiasu? 01:39 FOMO and Social Media 03:06 Why is Social Media So Addictive? 04:51 Debunking the Dopamine Hit 06:42 Brain Rot 09:10 Effects of Screentime on the Brain 11:03 Healthier Relationships with Devices 13:25 Being Present for Others 14:37 Final Thoughts: Is Your Phone Making You More Kiasu? 15:12 Outro Guest Bio: Dr Jean Liu is a Director at the Centre for Evidence and Implementation, and adjunct Assistant Professor at Duke-NUS Graduate Medical School and the Yong Loo Lin School of Medicine. [Note: Since recording this episode, Dr. Jean Liu has been appointed as an Associate Professor of Psychology at Singapore Institute of Technology.] Her primary research area focuses on how digital devices impact our health and social relationships. To date, she has published >30 research papers on topics such as: how individuals use their phones during meals, how social media relates to mental health, how WhatsApp users transmit health messages, and whether following Taylor Swift predicts better mental health outcomes. In recognition of her expertise, Dr Liu has served as consultant to the World Health Organisation, assisting with the roll-out of a new mental health framework for the Western Pacific Region. She is also a Council Member for the Agency for Care Effectiveness, expert panelist for the Health Promotion Board, and board member for several non-profit organisations. Her research insights have been discussed in parliament, and she speaks frequently in the media. Read the full transcript and show notes at https://voiddeck.science.edu.sg/s2e3-psychology/

    Is Your Phone Making You More Kiasu? with Dr. Jean Liu
  4. 03/12/2025

    Could Durian Be the Secret to a Sustainable Future? with Prof. William Chen

    Durian is a beloved staple in Singapore, with over 12 million consumed annually. But what happens to the durian seeds and husks after it is consumed? As the nation strives for sustainability and a circular economy, how can we better manage the food waste we generate? Using the King of Fruits as an example, food technologist Prof. William Chen shows us how we can transform trash into treasure, from durian-derived antibacterial bandages, biodegradable food wraps, and natural food stabilisers. Episode Highlights • How scientists are transforming discarded durian husks into unexpected innovations from antimicrobial hydrogel bandages that soothe skin conditions to biodegradable food packaging • Why the scale of Singapore's food waste problem – 700,000 tonnes of annual food waste (equivalent to two bowls per person daily) is driving creative solutions in food science and technology • The fascinating potential of traditional culinary practices like fermentation in creating a circular food economy • How Singapore's unique position as a small, nimble city-state with expertise in biomedical science, AI, and engineering is helping pioneer urban food solutions that could benefit cities worldwide Timestamps 00:00 Intro 00:46 Upcycling Discarded Durians 06:28 Using Fermentation to Reduce Food Waste 11:12 Singapore's Potential for Food Science & Technology 13:46 Outro Guest Bio: William Chen received his undergraduate and graduate education from l’Université Catholique de Louvain in Belgium. He is the Michael Fam Endowed Professor and Director of Food Science & Technology Programme at Nanyang Technological University Singapore. He is concurrently Director of Singapore Future Ready Food Safety Hub (FRESH), and also Director of Singapore Agri-food Innovation Lab (SAIL). Professor Chen is active in securing and leading large competitive research grants from major government agencies as well as leading international food companies. His team’s food technology innovations in food waste upcycling towards the food circular economy have been extensively attracting global attention. In addition to publishing regularly in top food science journals, his team works closely with food industry to translate innovations into consumer products. His team’s food tech innovations and his views on food safety and food security have been regularly featured in major local and international media outlets. He is also advisor/consultant to overseas universities, Singapore government agencies, food industry, and international organizations (ADB, FAO, WEF, WHO among others). Read the full transcript and show notes at https://voiddeck.science.edu.sg/s2e2-foodtech/

    Could Durian Be the Secret to a Sustainable Future? with Prof. William Chen
  5. 03/12/2025

    What Technologies Are Used to Train Singapore’s Top Athletes? with Dr. Marcus Lee

    The achievements of Singapore’s elite athletes like Joseph Schooling and Shanti Pereira have long captivated and inspired Singaporeans. What kinds of interesting or unexpected technologies are used to train top athletes? How can biomechanics provide a competitive edge? Sport biomechanist Dr. Marcus Lee shares fascinating and surprising stories of how devices from 3D motion capture systems to simple cameras are applied to help Team Singapore athletes perform their best. Episode Highlights How Dr. Marcus Lee translates biomechanics into a "4S model" (Structure, Strength, Skill, Strategy) to support Team Singapore athletesThe surprising range of tools used in high-performance sports training: from core temperature monitoring pills to eye trackers and moreThe fascinating story of how 3D motion capture and magnetic gates helped identify and improve Shanti Pereira's sprint start techniqueHow a simple camera and mathematical calculations helped support the race strategy for Joseph Schooling's historic Olympic gold medal winHow Singaporeans can use everyday technologies to improve personal fitnessTimestamps 00:00 Intro 00:35 Understanding Biomechanics 02:03 Role of a Sport Scientist 03:19 Interesting Sport Technologies 04:54 Case Study: Shanti Pereira 08:28 Case Study: Joseph Schooling 12:02 Using Technology for Personal Fitness 13:45 Outro Guest Biography Dr. Marcus Lee is Director of Special Projects at the National Youth Council and also serves as Director and Principal Sport Biomechanist at the High Performance Sport Institute, Sport Singapore. A former Head of Sport Science and Medicine, Marcus has led teams behind the scenes to support Team Singapore athletes across various sports at major competitions like the Olympics, Asian Games and World Championships—making sure they’re not just ready to compete, but ready to thrive. Drawing from biomechanics, physiology, nutrition, psychology and medicine, he and his team work closely with coaches and athletes to improve performance, reduce injury risks, and fine-tune every detail—from strength and movement, to recovery and mental prep. As a sport biomechanist, Marcus is especially curious about how the human body moves and performs under pressure, and how to equip athletes with the right strength, skill, and strategies to succeed. A father of two and passionate advocate for youth development, Marcus believes science should serve people—helping athletes not only win, but grow with purpose and resilience. Correction The episode misgeneralises that "distance over time is velocity or speed." While this may serve as a practical shorthand in the sporting context, strictly scientifically speaking, the two terms are not interchangeable. Distance over time is speed, not velocity. Speed is the rate at which an object covers distance, while velocity is the rate at which an object changes its position in a specific direction. Read the full transcript & show notes at https://voiddeck.science.edu.sg/s2e1-sport-science/

    What Technologies Are Used to Train Singapore’s Top Athletes? with Dr. Marcus Lee

Giới Thiệu

Welcome to Void Deck, a casual science podcast produced by Science Centre Singapore. Inspired by cosmic voids and HDB community spaces, we get you curious about big ideas in everyday life. Each episode, we bring science out of the labs and into your neighbourhood. We sit down with a local science changemaker and ask all the questions you’re too paiseh to ask. Is the fish in the wet market my distant cousin? Will robots eventually take over the world? Listen to down-to-earth conversations with Singapore experts on everything from space, nature, tech, health, and culture. Tune in and explore the universe from the heartlands! Discover more Singapore science stories at voiddeck.science.edu.sg.