4ZZZ

Know Idea

Science EN ↓ 169 episodes

Know Idea with Max, Jay, Peta, Vi, Issy & Gabe Know Idea is your weekly dose of science on 4ZZZ for over 10 years! All things space & time, environment, health, tech, psychology plus everything else in-between. Recorded live at 4ZZZ on Wednesday 10-12 in Meanjin/Brisbane.

Be sure to visit the podcast's website and support the creator: know-idea.pinecast.co

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4ZZZ

Episodes

Guesstimating Science 24.04.2026 1:01:46

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00 - Intro to Know Idea 01:54 - HERA - 696kg w/ Gabe 04:08 - Perception Guesstimation w/ Peta 13:36 - Smooth Boned Deepfakes w/ Max 19:46 - Nature’s NBN w/ Gabe 26:41 - Cocaine Salmon w/ Peta 34:27 - MotoRap w/ The Max’s 45:13 - 大蟇 w/ Issy 49:59 - Support 4zzz this April Atonement! 55:44 - Space News w/ Max Science Links...

Swiping, Screaming, and Sniffing Sticks 17.04.2026 1:14:23

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:03:00 - Counting Creatures - 695 Billion w/ Gabe 00:05:23 - Triggering Hyposmia w/ Peta 00:14:35 - The Chimp Empire War w/ Gabe 00:30:43 - Clicking with the Author w/ Peta 00:34:34 - The Effort Swiping Left w/ Max 00:38:44 - MotoRap w/ The Max’s 00:42:57 - The Psyche of Claude Mythos w/ Maximi...

The Flight of Rays and Bumble Bees 10.04.2026 1:11:25

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:19 - 694.3 nm 00:05:24 - Picture Clicking Good w/ Peta 00:15:32 - French Pressed Bee w/ Gabe 00:22:45 - Doublespeak w/ Max 00:27:18 - Flighty Rays w/ Peta 00:38:13 - MotoRap w/ The Max’s 00:47:12 - The Rhythm of the Bees w/ Gabe 00:55:15 - Support 4zzz! this April Atonement 00:58:52 - The M...

Inceptions, Examinations, and Arenas 03.04.2026 1:09:58

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:03 - 693 Alloy w/ Gabe 00:04:52 - Whisking Whiskers w/ Peta 00:13:36 - Multi-Axis Conception w/ Gabe 00:20:47 - Benchmarking Humanity w/ Max - Humanity’s Last Exam 00:25:27 - Whale Birthing Pod w/ Peta 00:34:35 - MotoRap w/ The Max’s 00:45:06 - Cane Toad Arena w/ Issy 00:51:44 - Support 4zz...

Quantum Charged Crabibalism 27.03.2026 1:10:51

Hosts: Max, Peta, and Gabe (and Maximillian) w/ Russel popping in for a non speaking part. Timestamps and Links: 00:00:00 - Intro to Know Idea 00:01:54 - 692 Calories w/ Gabe 00:06:02 - Crabibalism w/ Peta 00:13:27 - A Nip of Nectar w/ Gabe 00:22:19 - Super Charged Quantum Battery w/ Max 00:26:09 - The Door & science? 00:27:40 - Social Ramming in Whales w/ Peta 00:39:21 - MotoRap w/ The Max’s...

Streamin', Screamin', and Jivin' to the Rhythm. 20.03.2026 1:07:24

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:00 - 691 grams w/ Gabe 00:05:50 - Chummy Bull Sharks w/ Peta 00:14:19 - Zoning ADHD w/ Gabe 00:21:53 - Ah, ha, ha, ha, Streamin' Alive w/ Max 00:25:46 - Marine Science: Screaming Science w/ Pęta 00:36:29 - MotoRap w/ The Max’s 00:44:00 - Tyres: Interview w/ F1 Chief Engineer Simone Berra fr...

Love, Crystals, and Mushrooms 13.03.2026 29:46

Hosts: Max, Ellie, Issy, and Gabe MotoRap will not be available this week - please listen via On Demand for the complete show. Timestamps and Links: 00:00 - Intro to Know Idea 02:47 - 690kg w/ Gabe 03:10 - Crystals: A 6 Million Year Old Fascination w/ Gabe 11:23 - GLP-1: For the Faint Hearted w/ Max (backing noise dodgily removed by Adobe AI - Sorry but it was either that or a very loud hum the en...

SHALL WE PLAY A GAME? 06.03.2026 1:04:29

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:03:33 - 689 Points Behind w/ Gabe 00:04:57 - What Women [Whales] Want w/ Peta 00:14:27 - Bird Brained w/ Gabe 00:24:28 - SHALL WE PLAY A GAME? w/ Max 00:31:08 - Scanning for Bubble Tea w/ Gabe 00:33:06 - Support 4zzz! 00:35:10 - MotoRap w/ The Max’s 00:48:06 - Marine Science: Self Aware Naïve...

Boys Night Piss Up 27.02.2026 1:04:42

Hosts: Max, Issy, and Gabe (and Maximillian) Timestamps and Links: 00:00 - Intro to Know Idea 02:08 - EYU688 w/ Gabe 04:13 - Tim Tam: Mangoes &amp; Cream Aside 05:12 - Chimps On The Piss w/ Gabe 17:04 - Alzheimers Vaccine w/ Max 00:00 - REWIND: Vibrant Virility in Guppy Genetics w/ Peta 27:30 - Going Deeper w/ Gabe 29:52 - Support 4zzz! 31:59 - THE NEW MotoRap w/ The Max’s 49:50 - Crested Hell...

Jane Austin's Ode to Chins and Whales 20.02.2026 1:07:23

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:03 - 687: Days on Mars w/ Gabe 00:04:01 - Puzzling Out Dreams w/ Peta 00:13:52 - Taking On The Chin w/ Gabe 00:23:11 - [Jane Austin's Sustenance and Sustainability] http://dx.doi.org/10.1016/j.tjnut.2025.06.030 w/ Max 00:28:35 - Support 4zzz! 00:30:50 - MotoRap w/ The Max’s 00:45:31 - Stres...

Glowing Measures of Inaction 13.02.2026 1:05:12

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:02 - 686: Habitat Shift w/ Gabe 00:03:51 - Walking Sharks: Just Don’t w/ Peta 00:09:39 - Categorising Memories w/ Gabe - Babies in an MRI from last year 00:19:33 - Glowing Ethics w/ Max 00:24:58 - Tracking Tuna w/ Peta 00:35:50 - MotoRap w/ The Max’s 00:41:54 - Apteribis: The Nocturnal Flig...

Size Matters 06.02.2026 1:12:02

Hosts: Max, Ellie, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:08 - 685: NGC 685 w/ Gabe 00:04:01 - Disappearing Zombie Worms w/ Peta 00:11:40 - Creativity: Man VS Machine w/ Gabe - TEST YOURSELF 00:21:08 - Floating on GERFSHMT w/ Max 00:26:31 - Galvanic Shark Deterrent w/ Peta 00:35:41 - MotoRap: The Shakedown w/ The Max’s 00:47:13 - Black Holes Matt...

Grab, Sniff, Scratch, or Gulp? 30.01.2026 1:06:23

Hosts: Max, Issy, Elly, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:17 - 684: Mars Sol w/ Gabe 00:04:40 - Voyeuristic Science: Swinging Belugas w/ Peta 00:14:15 - Do You Grab or Sniff Your Nuts? w/ Gabe 00:18:38 - Powdered White Teeth w/ Max 00:23:13 - Bubble Net w/ Peta 00:33:52 - MotoRap w/ The Max’s 00:44:55 - $1 spent: $10 saved w/ Issy 00:49:16 -...

Bring Us Back 2 Reality 23.01.2026 1:04:53

Hosts: Max, Issy, and Peta Timestamps and Links: 00:00:00 - Intro to Know Idea 00:04:16 - REWIND: Remembering Enfacement Illusion w/ Max 00:09:33 - Diving into Darkwaves w/ Peta 00:16:36 - Scuba w/ Hank Green 00:17:27 - Fermenting Carrots for Protein w/ Issy 00:23:44 - Talking Sharks w/ Peta 00:35:41 - MotoRap w/ The Max’s 00:45:45 - Alpha Gal Anaphylaxis w/ Peta - CSIRO Tick Info 00:54:10 - Suppo...

REWIND 3.26 16.01.2026 55:37

Host: Max Rewinds from 2025’s April 02 - Vitamin C[yanide] , April 30 - Jumping for Only Fins and Crab Prawn , August 29 - Number 2 , and October 22 - Body Horror: Brain Organoids, Nose Teeth, and Walking Statues Timestamps and Links: 00:00 - Intro to Know Idea 02:12 - REWIND: Mantis Shrimp Aside and Fancy Shrimpy Thanos Club w/ Peta 10:35 - REWIND: Tattooed Tardigrades w/ Gabe 20:20 - REWIND: Tuc...

NEW YEAR REWIND '26 09.01.2026 1:08:44

Hosts: Max and Issy Rewinds from 2025’s Aug 6’s Scrumping Amnemonemomnes and 9 July’s 🧑‍🔬 Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:45 - REWIND: Rubber Tentacle Illusion w/ Peta - QI Rubber Hand 00:13:52 - REWIND: ❤️ With Emojis w/ Max 00:19:32 - REWIND: Teeth in a Dish AKA Grinding Phytoliths w/ Issy 00:26:30 - REWIND: Shark-Etiquette w/ Peta 00:40:01 - MotoRap w/ The Max’s 00:4...

REWIND 2025! Chatting with AI 02.01.2026 59:52

Rewinds from Jun 2025's - Talking Bubbles and WAFT Hosts: Max, Issy, and some LLM Timestamps and Links: 00:00 - Intro to Know Idea 02:28 - REWIND: Talking Bubbles w/ Peta 10:58 - REWIND: Super Worms w/ Gabe 19:31 - REWIND: BTWs w/ Max 25:00 - REWIND: Deep Dark(er) Depths w/ Peta 32:32 - MotoBot w/ Max, Issy, and Copilot 38:53 - REWIND: Plastics Food Fate w/ Issy 44:57 - REWIND: Judys Gorging Gut w...

Seasonal Science Greetings 24.12.2025 1:17:29

Hosts: Max, Peta, and Gabe Timestamps and Links: 00:00:00 - Intro to Know Idea 00:01:57 - The Science of Santa w/ Gabe 00:05:55 - Predicting PFAS w/ Peta 00:14:25 - The Power of Swearing w/ Gabe 00:21:48 - AI Science Productivity w/ Max - ABC Article 00:30:34 - Puma-Penguin Predation w/ Peta 00:39:22 - MotoRap w/ The Max’s 00:53:17 - Shark’s Seasonal Seabird Smorgasbord w/ Peta 01:00:53 - 6 Chriss...

Chinook Salmon 19.12.2025 1:09:42

Hosts: Max, Peta, and Gabe Timestamps and Links: 00:00:00 - Intro to Know Idea 00:01:48 - XXX: 678 Nuns w/ Gabe 00:04:44 - Urchin Pandemic w/ Peta 00:13:15 - Marine Questions: White Spot , Boom or Bust 00:15:16 - Bears Play Nice For Survival w/ Gabe 00:23:34 - Garlic Mouthwash w/ Max 00:28:57 - Sharing Salmon w/ Peta 00:40:24 - REWIND: Miami MotoRap w/ The Max’s 00:50:29 - Cannibal Cane Toad Larva...

Agism and Aging 12.12.2025 1:09:16

Hosts: Max, Issy, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:04:24 - Consequences of Zoom w/ Gabe 00:11:45 - Living Longer with Hugs and Drugs w/ Max 00:15:27 - 💔 and 1280mg Caffeine w/ Issy 00:22:06 - REWIND: Sugary Cucumbers Fight Cancer w/ Peta 00:30:26 - Support 4zzz! 00:32:55 - MotoRap w/ The Max’s 00:45:05 - Age Restrictions and You w/ Gabe 01:04:52 -...

Look ... Know Guard Rails 05.12.2025 1:15:23

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:03:27 - Spotting Salmon Scales on CNN w/ Peta 00:11:23 - Social Media’s Influence w/ Gabe 00:25:26 - EACH 25 - ASPIRE Conference w/ Max and Issy 00:33:53 - Eating for Success in Humpback Whales w/ Peta 00:42:45 - MotoRap w/ The Max’s 00:55:02 - Know Guard Rails w/ Gabe 01:09:19 - Support 4zzz!...

Today's ABCD - Arthropods, Bird Flu, Canines, and Da' Magnetoreception. 28.11.2025 1:11:12

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:04:23 - Sargassum Race: Time VS Energy w/ Peta 00:14:45 - Crabby Trap: Canine tool use? w/ Gabe 00:26:51 - Too Humid To Touch A Cockroach w/ Max 00:31:37 - Testing Turtles Magnetoreception w/ Peta 00:40:46 - MotoRap w/ The Max’s 00:45:48 - F1 Academy w/ Issy 00:50:56 - Prosocial Behaviour: The...

Chowing Down on Science 21.11.2025 1:08:08

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:04:23 - Watching Whales Scoff Squid w/ Peta 00:16:25 - Meat of the Sun w/ Gabe 00:23:50 - Edible Batteries w/ Max 00:28:19 - Watching Siale: A Wandering White Whale w/ Peta - ORRCA 00:36:43 - MotoRap w/ The Max’s 00:44:12 - Vegan Pet Diets: Dogs and Cats w/ Issy 00:53:41 - Blinking With The Be...

MPREG 14.11.2025 1:07:29

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:03:50 - A Deep Dive Into MPREG w/ Peta 00:12:34 - Colossal Cohabiting Cave Wide Web w/ Gabe 00:22:48 - Hot Pants LOWER Blood Pressure w/ Max 00:29:08 - Question Time: Goldfish Memory and Distance w/ Peta 00:33:27 - Get a Pet Subscription at 4zzz! 00:35:42 - MotoRap w/ The Max’s 00:45:16 - CIRB...

Memory’ception 07.11.2025 1:05:45

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:05:02 - Getting That Xanthommatin w/ Peta 00:13:45 - The Nanotyrannus w/ Gabe 00:21:35 - Remembering Enfacement Illusion w/ Max 00:26:40 - Orcas Targeting Teen ... Sharks w/ Peta 00:34:42 - MotoRap w/ The Max’s 00:44:11 - Long Necks ❤️ Long Legs w/ Gabe 00:53:59 - REWIND: Hailstone Library: Fo...