The Science on the Table Podcast

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The Science on the Table Podcast Our main aim is to communicate science in a format that is easily digestible.

Science On The Table is a South African podcast channel that discusses everything science-related that affects the general population, especially in South Africa.

Episode 10 | The Pursuit of Conservation: Mapping Africa’s Changing Landscapes What happens when science, technology and...
25/09/2026

Episode 10 | The Pursuit of Conservation: Mapping Africa’s Changing Landscapes

What happens when science, technology and people come together to protect nature? In this episode, we explore conservation across Africa and how tools like mapping, satellite imagery, and remote sensing help us understand changing landscapes, biodiversity and species movement. We also look at why people are an important part of ecosystems, and why successful conservation must work with communities rather than simply putting up fences. From protecting natural grasslands to planting local, endemic species in our neighbourhoods, this episode explores how we can better understand—and care for—the natural world around us.

Find Joshua here: https://www.linkedin.com/in/joshua-weiss-35554760/

Episodes can be found at:
YouTube: https://youtu.be/7mKamWgkHAg?si=BvhoUHGHoQA7Vtdv

Spotify: https://open.spotify.com/episode/5gor8e2h3wkKa9pxScJXRw?si=e4a654efd2414a42

Apple Podcasts: https://podcasts.apple.com/us/podcast/episode-10-the-pursuit-of-conservation-mapping/id1817981987?i=1000791497222

“Revenge of the Microbes” Humanity really looked at bacteria and said, “Skill issue,” after inventing antibiotics… and t...
23/05/2026

“Revenge of the Microbes”

Humanity really looked at bacteria and said, “Skill issue,” after inventing antibiotics… and the microbes took that personally.

In this episode of Science on the Table, Dr Thabo Hamiwe helps us dive into the terrifyingly impressive world of antimicrobial resistance — where bacteria, viruses, fungi, and parasites are evolving faster than we can make drugs to stop them. Basically, the microbes read our medical textbooks and decided to become speedrunners.

From unfinished antibiotic courses and questionable self-diagnoses via Google, to antibiotics in livestock and hospital “superbugs” that sound like rejected Marvel villains, Revenge of the Microbes explores how humans accidentally trained microorganisms like they were in a Rocky montage.
We unpack:
- Why antibiotics stop working
- How bacteria share resistance genes like cheating answers in a group chat
- The rise of drug-resistant infections
-Why “just take the whole course” is not merely a suggestion
- The possibility of entering a post-antibiotic era where a paper cut could humble modern medicine

It’s evolution, chaos, medicine, and microbial pettiness — all happening in real time.
Because somewhere, deep under a microscope, a bacterium is surviving pure spite.

Find Dr Thabo Hamiwe here:
https://www.linkedin.com/in/thabo-hamiwe-340020325/

Spotify link:
https://open.spotify.com/episode/2z2fiP27HUryskGwW0VU1h?si=zLfinSmmRvqBJR9BOrZ6Rw

YouTube:
https://www.youtube.com/watch?v=g35zC30Bk7A&t=29s

Apple podcasts:
https://podcasts.apple.com/us/podcast/episode-9-revenge-of-the-microbes/id1817981987?i=1000769209137

On this episode, we are joined by Jo who guides us through the Neuroscience of Sleep and Consciousness. Listen here: htt...
27/04/2026

On this episode, we are joined by Jo who guides us through the Neuroscience of Sleep and Consciousness.

Listen here: https://open.spotify.com/episode/532k2pvrsMbx8b0ctarQgP?si=yeQZR5KbQZ62YHeGBalnCw
https://youtu.be/LD496b1UBPA
https://podcasts.apple.com/us/podcast/episode-8-between-a-yawn-and-a-hard-place/id1817981987?i=1000763757725

What really happens in the brain when we drift off—and where does consciousness go when we’re asleep?

In Between a Yawn and a Hard Place, we unpack the neuroscience of sleep and consciousness, exploring how the brain cycles through different states of awareness. From the rhythms of brain waves to the deeper pull of our biological clocks, we look at how circadian rhythms and biorhythms shape when we feel alert, when we crash, and how well we truly rest.

We also step into more complex territory: how psychoactive substances—from caffeine to more potent compounds—can alter sleep architecture and shift our perception of consciousness itself. What do these disruptions reveal about the fragile balance between wakefulness and rest?

Along the way, we tackle some of neuroscience’s biggest questions:
Is consciousness ever truly “off”?
And how do sleep disorders, jet lag, or altered states help us understand the mind?

Blending cutting-edge science with real-world relevance, this episode offers a deeper look at the hidden systems governing your nights—and your waking life.

So whether you’re running on empty, perfectly in sync, or somewhere in between, join us as we explore the space between a yawn… and a hard place.

Follow Jo here:
LinkedIn : https://www.linkedin.com/in/johann%C3%A9-marais-67ab15243/
Personal website: https://beingengaged.com/
https://bsky.app/profile/neurojo.bsky.social

Episode 7 | The Great Human Roast: Ultramarathons in the Heat What happens when you ask thousands of endurance runners t...
16/03/2026

Episode 7 | The Great Human Roast: Ultramarathons in the Heat

What happens when you ask thousands of endurance runners to jog a small country’s worth of distance… in the South African sun?

In this episode, we turned the thermostat up with Dr Henno Havenga, environmental scientist, and explored what really happens when ultramarathons meet serious heat. Using a thermal stress index, we map the temperature conditions runners faced along the route—because sometimes it’s not just a race, it’s a slow-motion human braai.

We also look beyond the heat to the air itself, examining pollution levels on race day and asking an uncomfortable question: while runners are pushing their limits, what exactly are their lungs breathing in? From roasting road surfaces to the science of thermal strain, this episode unpacks how heat and air quality shape the ultimate test of human endurance.

You can listen here:
YouTube: https://www.youtube.com/watch?v=v_un9kDYwIE&t=20s
Apple Podcasts: https://podcasts.apple.com/us/podcast/episode-7-the-great-human-roast-ultramarathons-in-the-heat/id1817981987?i=1000755530307
Spotify: https://open.spotify.com/episode/11oAorKQgZn5SoccPBRf6Y?si=12004df603fc49c8

Episode 6 | ADHD - The Dopamine Feed: Teens, Screens, and FocusThis week’s episode dives into the wonderfully chaotic wo...
13/12/2025

Episode 6 | ADHD - The Dopamine Feed: Teens, Screens, and Focus

This week’s episode dives into the wonderfully chaotic world of ADHD in kids and teens - where attention span isn’t “short” so much as “selective,” executive functioning is like a WiFi signal that keeps dropping, and dopamine is the mischievous chemical running the show.

We unpack neurodivergence in real, human language, from high masking (especially in adolescents) to that internalised paralysis that looks like “procrastination” but is really the brain’s spinning wheel of doom. If you’ve ever wondered why a child can hyper-focus on Minecraft for hours but freezes at the sight of homework, this episode finally makes it all make sense.

You can listen here:

YouTube: https://www.youtube.com/watch?v=og5rTsKQbpg&t=136s

Apple Podcasts: https://podcasts.apple.com/us/podcast/episode-6-adhd-the-dopamine-feed-teens-screens-and-focus/id1817981987?i=1000738089470

Spotify: https://open.spotify.com/episode/2DlflyRkqgHxkalyrAlcA9?si=f1aaa3df17c0417c

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