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PODCAST

Science On Top

The Science on Top Team

The Australian podcast about science, health and technology news. Join Ed Brown and his panel of co-hosts each week as we talk about the latest and coolest research and discoveries in the world of science. We"re joined by special guests from all over the science field: doctors, professors, nurses, teachers and more.

science natural sciences

All Episodes

04:04

Goodbye

Science On Top ·

2023/09/01

This podcast has come to an end. So long, and thanks for all the fish! Links to download the archive of all our episodes can be found here: https://scienceontop.com/goodbye

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21:08

SoT 358: A Lot Of Poop

Science On Top ·

2020/08/25

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:30 A team in Kenya and the UK have discovered a microbe that completely protects mosquitoes against the malaria parasite. 00:10:17 Everybody poops, but if you don't it's very bad as one unfortunate record-breaking lizard found out. 00:14:22 This year we've seen three big records broken in solar power efficiency.

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03:55

A quick update

Science On Top ·

2020/08/05

An update on what's happening with the show. The quick version: we're still here, but the world's on fire and things are a bit tough. We'll be back. Stay safe everyone. Wednesday 5 August 2020

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22:39

SoT 357: You Get An Ocean!

Science On Top ·

2020/06/17

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:28 Good news in quarantine, two pandas in Hong Kong have finally mated! It only took them ten years! 00:04:29 Lots of moons in our solar system seem to have subsurface oceans, and now it looks like Pluto does too! 00:13:59 Soy is everywhere these days, but there are environmental concerns with it. Now a new study suggests fava beans could be a more environmentally friendly source of plant protein. This episode contains traces of Trevor Noah

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29:42

SoT 356: The Same... But Opposite

Science On Top ·

2020/05/11

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:39 When it comes to giving birth in the animal world, there's mostly only two options: live babies, or eggs. But very rarely, it can be both! Such is the case with the yellow-bellied three-toed skink. 00:06:37 Imagine solar power that worked at night! That's (kind of) the promise of a new type of solar cell being developed by two American researchers. 00:19:50 If you want to train a robot dog, there's the hard way and there's the easy way. The

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22:13

SoT 355: E-mouse-icons!

Science On Top ·

2020/04/30

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:40 Researchers at the Max Planck Institute in Germany have used a machine-learning algorithm to finally answer one of science's most confounding puzzles: Is that mouse over there happy? Or afraid? Or disgusted? 00:07:54 Astrophysicists from the University of Florida and Columbia University have figured out that a violent collision of two neutron stars released many of the heavier atoms that went on to form our solar system. This episode

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36:49

SoT 354: They Smacked It With A Shovel

Science On Top ·

2020/04/19

Hosts: Ed Brown, Penny Dumsday, Lucas Randall, Dr. Helen Maynard-Casely 00:03:36 NASA's Mars InSight probe has finally managed to drill into the Martian rock and soil - thanks to a traditional repair technique! 00:13:04 The idea that glass is a liquid that flows is largely a myth.... sort of. It's an amorphous solid, so it does flow but very very slowly. Now an analysis of amber has shed some light on the disordered molecules that make glass a "liquid in suspended animation". 00:26:36 When our

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24:12

SoT 353: Crazy Finds A Way

Science On Top ·

2020/04/13

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:35 Professor Maria Croyle from the University of Texas in Austin has been working on alternative delivery mechanisms for vaccines without giant needles. And one promising method she's developed is a lot more palatable! 00:08:15 The formation of our moon is something of a mystery to astronomers. But now new research into the moon's composition further strengthens the most widely accepted theory. This episode contains traces of the SARS-COV-2

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47:19

SoT 352: Noodle-Fingered Hugs

Science On Top ·

2020/03/30

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:27 How do you study wibbly wobbly jellyfish, without damaging them or stressing them out? You give them a noodly hug, of course! 00:08:27 When a satellite runs out of fuel, it's sent up into a graveyard orbit where it can pose a threat to any spacecraft leaving Earth. But a recent test of the Mission Extension Vehicle could mean satellites can be refuelled, extending their lifespan significantly. 00:21:25 People are attaching sensors to plants,

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31:19

SoT 351: Air Sea'n'Sea

Science On Top ·

2020/03/20

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:28 An Australian research team has come up with a luxurious plan to save endangered seahorses. 00:04:54 A more precise method of determining the methane produced by human activities draws a timeline of industrialisation. 00:15:07 Remains dating back 65,000 years ago demonstrate that the earliest Australians enjoyed slow-cooking. 00:20:28 Have you thought about the environmental impact your death and burial or cremation will have? There could be

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42:54

SoT Special 28 – Coronavirus with Gideon Meyerowitz-Katz

Science On Top ·

2020/03/13

As the coronavirus SARS-CoV-2 sweeps the world, the only thing spreading quicker is panic and misinformation. So we caught up with Gideon Meyerowitz-Katz, an epidemiologist, writer and podcaster to find out what's really going on with COVID-19. For more information, we recommend: Australian Department of Health World Health Organisation Centers For Disease Control This Week In Virology podcast Coronacast podcast And you can follow Gideon on Twitter.

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40:46

SoT 350: Rocks Were Never Not Great

Science On Top ·

2020/02/27

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:01:14 A team at Howard Hughes Medical Institute has been working with Google, and has just announced that they have mapped the “connectome” in the central region of brain of a fruit fly. That's means they've worked out the precise meanderings of 25,000 neurons and their 20 million connections. 00:15:14 About 2 billion years ago, a giant meteorite smacked into the thick glaciers that then were covering Western Australia. The result could have been

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08:00

SoT Bites 001 - Hot Drinks In Hot Weather

Science On Top ·

2020/02/07

Here's a little taste of the sort of thing to expect when Science on Top returns very soon - on hot days are you better off drinking hot or cold drinks?

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07:55

SoT Bites 001 - Cuttlefish Watching 3D Movies

Science On Top ·

2020/01/29

Have you missed us? Looking forward to another season of Science on Top? Here's something to whet your appetite - a story of cute cephalopods, curious scientists and 3D glasses!

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44:02

SoT 349: Our Favourite Science Stories of 2019

Science On Top ·

2019/12/17

Hosts: Ed Brown, Penny Dumsday, Lucas Randall, Ass/Prof Mick Vagg 00:00:48 The switch to agricultural societies 12,000 years ago may have changed how we talk, introducing the 'f' and 'v' sounds. 00:04:58 The cane toad is an introduced pest in Australia, with no real natural predators. Until recently, when a small group of water rats learned how to eviscerate them with surgical precision! 00:06:38 The search for Planet Nine continued this year, and a new hypothesis was proposed: it might not be a

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34:49

SoT 348: Massive Stars Are Fluffy!

Science On Top ·

2019/12/13

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:56 As unprecedented bushfires ravage Australia, Forbes published an article declaring koalas are "functionally extinct". And while they do face considerable threats, the situation is not quite that dire. 00:11:38 Chinese scientists have discovered a black hole that, according to our current understanding of black-hole formation, is so large it shouldn’t exist. Called LB-1, the black hole has a mass 70 times that of our sun, three times more

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43:01

SoT 347: Carbonite

Science On Top ·

2019/12/04

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:01:24 For the first time, doctors at the University of Maryland School of Medicine have purposefully put at least one human patient in suspended animation. This could be a great help to surgeons dealing with traumatic emergencies such as gunshot or stab wounds. 00:10:06 The first geomorphologic map of Saturn's moon Titan has been released. Showing lakes (of liquid methane), dunes (of organic molecule particles) and exposed icy bedrock. 00:12:49

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35:16

SoT 346: Guinea Pig Guinea Pigs

Science On Top ·

2019/11/26

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:01:23 Danuvius guggenmosi was a great ape that lived 11.6 million years ago in southern Germany and it has just been formally described in the journal Nature. But the really interesting thing about this discovery is what it could suggest about bipedalism - our ancestors were walking upright much earlier than previously thought. 00:10:19 Spaceflight is a dangerous endeavour. Astronauts risk muscle atrophy, bone weakness, cardiovascular issues,

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34:52

SoT 345: Daisy

Science On Top ·

2019/11/15

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:35 Researchers at the University of Richmond taught a group of 17 rats how to drive tiny little plastic cars. The rats found driving to be relaxing! 00:11:28 Why do we like music? It's a question that neuroscientists have wondered about for decades. A paper in the Journal of Neuroscience suggests it's related to learning. 00:18:37 Cows can not only recognise other cows, but they form friendships and bonds that don't align with the social

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33:44

SoT 344: Teeny-Tiny Black Holes

Science On Top ·

2019/11/07

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:32 A zebra's stripes seem to reduce the number of flies that they attract, so what would happen if you painted a cow like a zebra? Japanese researchers did exactly that, and found a similar result. 00:08:10 An intriguing new hypothesis for Planet Nine is not a planet at all. Two astrophysicists have speculated it might actually be a very small black hole in our galaxy. 00:25:43 By analysing cut marks on bones left by humans between 200,000 and

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