Know Idea

Hosted by 4ZZZ

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Episodes

159

Latest episode

Aug 2026

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EN-AU

About the show

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.

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60 recent

August 14, 20261 hr 22 min

Fiercely Independent Science - Targeted Wiping

# Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:12 - #712 Can-Am w/ Gabe 00:04:41 - Support 4ZZZ by SUBSCRIBING! 00:06:03 - N.E.U.SLee.P. w/ Peta 00:16:02 - Support 4ZZZ by SUBSCRIBING! 00:17:01 - The Red Back Somersaulting Mating Ritual w/ Gabe 00:26:27 - What is Kenough? w/ Max 00:32:10 - Support 4ZZZ by SUBSCRIBING! 00:32:58 - Coordinated Humpback Hunting w/ Peta - Animated Whale Video 00:44:12 - MotoRap w/ The Max’s 00:52:16 - Support 4zzz! 00:52:35 - Ninajirachi Aside w/ Issy 00:54:57 - Wanna Cry w/ Maximillian 01:01:26 - Support 4zzz this RADIOTHON to win a range of PRIZES! 01:08:23 - Fermenting Finesse in Cocoa w/ Issy 01:13:04 - Space News w/ Max 01:17:21 - Support 4zzz! Science Links For the Diggers: Look For New Science at EurkAlert, Science Daily, and Phys.org For Free Science Article Search 'Sci-Hub' or Anna’s Archive Check out the QS Rankings yourself here Our Tik Tok, Instagram, and YouTube Tape Deck Fast Forward sound effect by j_soundeffects -- https://freesound.org/s/845646/ -- License: Attribution 4.0 Produced and recorded by Max for Know Idea at 4zzz in Fortitude Valley, Meanjin/Brisbane Australia on Turrabul and Jaggera Country and edited by Tobi for podcast distribution via 4zzz Podcasts (@4zzzpodcasts) for Creative Broadcasters Limited.

August 7, 20261 hr 9 min

Muppets Jump on Science and eSafety Outcomes

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:31 - Eucalyptus Domination w/ Gabe 00:05:27 - Predicting Melody w/ Peta 00:12:44 - 'PA.RA.C.H.U.T.E.': Randomised Controlled Trials w/ Gabe 00:23:49 - On This Day: Drive w/ Max 00:24:34 - Marine Muppet Minotaur MPREG w/ Peta 00:34:33 - MotoRap w/ The Max’s 00:44:21 - Night Vision Upgrades to Multicolour w/ Max 00:49:07 - eSafety Results of Social Media Ban w/ Gabe 01:02:59 - Space News w/ Max Science Links For the Diggers: Look For New Science at EurkAlert, Science Daily, and Phys.org For Free Science Article Search 'Sci-Hub' or Anna’s Archive Check out the QS Rankings yourself here Our Tik Tok, Instagram, and YouTube 📸 ID: Holotype specimens of the three named species of Australyichthys as of August, 2026 in left lateral view. (Left) Australyichthys minotaur, NMV A192, male, (Middle) Australyichthys paradoxus, SAMA F10490, female, (Right) Australyichthys aegis, SAMA F14993, male. Not to scale. G. Short et al. - "Australyichthys gen. nov. (Teleostei, Syngnathidae), a lost mesophotic lineage from southern Australia, with description of A. aegis sp. nov. and reclassification of Hippocampus minotaur and H. paradoxus" Representative study participant jumping from aircraft with an empty backpack. This individual did not incur death or major injury upon impact with the ground. - Yeh R W, Valsdottir L R, Yeh M W, Shen C, Kramer D B, Strom J B et al. "Parachute use to prevent death and major trauma when jumping from aircraft: randomized controlled trial" BMJ 2018; 363 :k5094 doi:10.1136/bmj.k5094 Produced and recorded by Max for Know Idea at 4zzz in Fortitude Valley, Meanjin/Brisbane Australia on Turrabul and Jaggera Country and edited by Tobi for podcast distribution via 4zzz Podcasts (@4zzzpodcasts) for Creative Broadcasters Limited.

July 31, 20261 hr 9 min

Hitting The Fish for Orca Excitement

# Hosts: Max, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:01:53 - PREX 710 w/ Gabe 00:04:46 - Viral Sunfish Piñata w/ Peta 00:15:51 - Diving Deep into Phantom Midges w/ Gabe 00:24:27 - Barista Approved Bio-Diesel w/ Max 00:30:10 - Bubbles Key for Floating on Junk w/ Peta 00:36:35 - MotoRap w/ The Max’s 00:45:24 - Learning About The Likweli w/ Gabe 00:54:44 - AusAlert 'Success' w/ Gabe 01:04:11 - Support 4zzz! 01:05:26 - Space News w/ Max Science Links For the Diggers: Look For New Science at EurkAlert, Science Daily, and Phys.org For Free Science Article Search 'Sci-Hub' or Anna’s Archive Check out the QS Rankings yourself here Our Tik Tok, Instagram, and YouTube 📸 ID: Monkey Image Sourced from Hart JA, Amboko JD, Arenson JL, Horton ER, Coates KF, Kapale J-PI, et al. (2026) 'Likweli: A remarkable new species of Colobus monkey from the Lomami National Park, Democratic Republic of Congo.' PLoS One 21(7): e0349857. https://doi.org/10.1371/journal.pone.0349857 - Fig 2. Colobus congoensis and C. satanas in life.. Larvae Image Sourced from 'A micro CT scan of the larva showing the air sacs in situ. Credit: Philip Matthews' Tape Deck Fast Forward sound effect by j_soundeffects -- https://freesound.org/s/845646/ -- License: Attribution 4.0 Produced and recorded by Max at 4zzz in Fortitude Valley, Meanjin/Brisbane Australia on Turrabul and Jaggera Country. Audio and Cover Image edited by Tobi for podcast distribution for Creative Broadcasters Limited.

July 24, 20261 hr 0 min

Getting 🧠'y

Hosts: Max and Issy (and Maximillian) REWIND segments sourced from Episode #666: We Saw You Across the Bar and We Really Like Your Vibe - September 26, 2025 Timestamps and Links: 00:00 - Intro to Know Idea 03:04 - REWIND: Rusty Runoff w/ Gabe 15:04 - Vitamin [C]ortex w/ Max 19:49 - REWIND: Sharky Threesome w/ Peta 26:31 - P.A.D.ding Brain Scans w/ Issy - Brain Track 32:10 - MotoRap w/ The Max’s 42:17 - Fable of Mythos w/ Maximillian 52:13 - Indigenous Smallpox Epidemic w/ Gabe in absentia read by Issy - 13 92 76 - 13 YARN 56:33 - Space News w/ Max 59:41 - Support 4zzz! Science Links For the Diggers: Look For New Science at EurkAlert, Science Daily, and Phys.org For Free Science Article Search 'Sci-Hub' or Anna’s Archive Check out the QS Rankings yourself here Our Tik Tok, Instagram, and YouTube Produced and recorded by Max at 4zzz in Fortitude Valley, Meanjin/Brisbane Australia on Turrabul and Jaggera Country. Audio and Cover Image edited by Tobi for podcast distribution for Creative Broadcasters Limited.

July 17, 20261 hr 9 min

Uncanny and Uncancellable Listening

# Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:19 - US708 w/ Gabe 00:07:26 - How Great Can A Greater Glider Glide? w/ Peta 00:18:44 - Subscribe to Support 4zzz! 00:18:57 - Uncanny Macaque w/ Gabe 00:28:24 - Listening to Pinnipeds w/ Peta 00:40:12 - MotoRap w/ The Max’s 00:48:47 - Benefits of Being Culturally Picky w/ Issy 00:53:16 - Support 4zzz! 00:54:52 - Listener Query: Axolotl and Platypus Hearing 00:56:27 - Fermenting Uranium Contaminated Wastewater w/ Max 01:03:02 - Space News w/ Max Science Links For the Diggers: Look For New Science at EurkAlert, Science Daily, and Phys.org For Free Science Article Search 'Sci-Hub' or Anna’s Archive Check out the QS Rankings yourself here Our Tik Tok, Instagram, and YouTube 📸 ID: Glider Photograph: Sami Raines/WWF, Macaque Images: Fig 3. Uncanny valley experiment in Martini, Bognár, Vogels, and Giese "Realistic monkey body animation reveals an uncanny valley in macaque body perception" At the bottom is the text Know Idea with the 4zzz Podcast logo in the top right. Produced and recorded by Max at 4zzz in Fortitude Valley, Meanjin/Brisbane Australia on Turrabul and Jaggera Country. Audio and Cover Image edited by Tobi for podcast distribution for Creative Broadcasters Limited.

July 10, 20261 hr 8 min

Unconscious Listening: Shiny Legs, Math Brains, and Hovering Wings.

# Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:29 - Missing Boeing 707 w/ Gabe 00:02:55 - Unconscious Predictions w/ Peta 00:13:13 - Long Necked and Simple Addition w/ Gabe 00:24:00 - Seafood Source of CMNV w/ Peta 00:33:36 - Support 4zzz! 00:36:09 - MotoRap w/ The Max’s 00:45:58 - Storing Waves w/ Max 00:50:00 - Shiny New Frog w/ Issy 00:54:02 - Wind Stability in Kestrels w/ Gabe 01:03:24 - Space News w/ Max Science Links For the Diggers: Look For New Science at EurkAlert, Science Daily, and Phys.org Free Science Article Search Sci-Hub Check out the QS Rankings yourself here Our Tik Tok, Instagram, and YouTube 📸 ID: Left Frog Leg Image provided by John Gould in Shifty Frogs: Evidence of Iridescence Among Amphibians Produced and recorded by Max at 4zzz in Fortitude Valley, Meanjin/Brisbane Australia on Turrabul and Jaggera Country. Audio and Cover Image edited by Tobi for podcast distribution for Creative Broadcasters Limited.

July 3, 20261 hr 16 min

Placebo Backpacks

# Hosts: Max, (Jordan?), Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:08 - 706 Ships w/ Gabe 00:06:06 - Placebo History: Outcomes, Deception, and Expectation w/ Peta 00:16:37 - SCUBA Cockroach w/ Gabe 00:29:45 - Overheating Mesotherms w/ Peta 00:41:26 - MotoRap w/ The Max’s 00:51:01 - QS Rankings w/ Gabe 01:04:14 - Rounding Up in The World Cup w/ Max 01:10:32 - Support 4zzz! 01:11:43 - Space News w/ Max Science Links For the Diggers: Look For New Science at EurkAlert, Science Daily, and Phys.org For Free Science Articles Search for 'Sci-Hub' or 'Anna’s Archive' Check out the QS Rankings yourself here Our Tik Tok, Instagram, and YouTube Produced and recorded by Max at 4zzz in Fortitude Valley, Meanjin/Brisbane Australia on Turrabul and Jaggera Country. Audio and Cover Image edited by Tobi for podcast distribution for Creative Broadcasters Limited.

June 26, 20261 hr 11 min

Snaring Scientific Discoveries

# Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Don't Touch Sick Wildlife - Call the Emergency Animal Disease Hotline on 1800 675 888 Timestamps and Links: 00:00:00 - Intro to Know Idea 00:02:34 - 705′ of Icy Climate Records w/ Gabe 00:06:58 - The Origin of Laughter w/ Peta 00:17:04 - Ballista Spider: A Speedy Snare w/ Gabe 00:27:19 - Diamantinic Miocene Necropolis w/ Peta 00:40:17 - MotoRap w/ The Max’s 00:49:51 - H5N1 clade 2.3.4.4b in Australia w/ Gabe 00:58:44 - AI Designed Vaccinations w/ Max 01:03:36 - Space News w/ Max 01:06:47 - Support 4zzz! 01:10:42 - Don't Touch Sick Wildlife - Call the Emergency Animal Disease Hotline on 1800 675 888 01:11:08 - Eco Radio: Birdlife Australia w/ Hugh Possingham Science Links For the Diggers: Look For New Science at EurkAlert, Science Daily, and Phys.org Free Science Article Search Sci-Hub Check out the QS Rankings yourself here Our Tik Tok, Instagram, and YouTube 📸 ID: Left Images of Spider and Web sourced from "Ballistic high-powered spider webs overcome dangerous prey defenses" and Brain Figure sourced from "The neural basis of laughter" Produced and recorded by Max at 4zzz in Fortitude Valley, Meanjin/Brisbane Australia on Turrabul and Jaggera Country. Audio and Cover Image edited by Tobi for podcast distribution for Creative Broadcasters Limited.

June 19, 20261 hr 13 min

Your Brain on World Cup

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:01:58 - A Kepler Year w/ Gabe 00:07:00 - Cleaning with Fire(whirl) w/ Peta 00:16:59 - Finch Calls: Summer is Coming w/ Gabe 00:25:12 - Octo-Mirror-Mapping w/ Peta 00:36:48 - MotoRap w/ The Max’s 00:50:01 - Mythos and Fable 5 w/ Maximillian - PC Mag Trial 00:54:24 - Support 4zzz! 00:55:23 - Supercomputer Simulation Predictions w/ Max 01:02:34 - Turning to Science w/ Gabę 01:11:02 - Space News w/ Max Science Links For the Diggers: Look For New Science at EurkAlert, Science Daily, and Phys.org Free Science Article Search Sci-Hub Check out the QS Rankings yourself here Our Tik Tok, Instagram, and YouTube 📸 ID: Fire whirl illustration provided by "Large-scale field experiments on enhancing In-Situ burning with fire whirls" Produced and recorded by Max at 4zzz in Fortitude Valley, Meanjin/Brisbane Australia on Turrabul and Jaggera Country. Audio and Cover Image edited by Tobi for podcast distribution for Creative Broadcasters Limited.

June 12, 20261 hr 11 min

Swell Melbourne Buoys

Hosts: Max, Issy, Peta, and Gabe (and Maximillian) Timestamps and Links: 00:00:00 - Intro to Know Idea 00:01:58 - Picking Our Brain: 703 Times w/ Gabe 00:05:42 - BridgeMaxxing w/ Max 00:07:43 - Putting the Right Paw Forward w/ Peta 00:19:04 - RoboRoach w/ Gabe 00:28:05 - Swell Melbourne Buoys w/ Peta 00:40:01 - MotoRap w/ The Max’s 00:54:46 - SpiderCam w/ Max 01:00:46 - Tool Use: Bee Edition w/ Gabe 01:06:59 - Space News w/ Max Science Links For the Diggers: Look For New Science at EurkAlert, Science Daily, and Phys.org Free Science Article Search Sci-Hub Check out the QS Rankings yourself here Our Tik Tok, Instagram, and YouTube Produced and recorded by Max for Know Idea at 4zzz in Fortitude Valley, Meanjin/Brisbane Australia on Turrabul and Jaggera Country and edited by Tobi for podcast distribution for Creative Broadcasters Limited.