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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

34:15

SoT 286: The Superb Bird-Of-Paradise And Magnificent...

Science On Top ·

2018/02/11

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:55 On January 31st, a super blue blood moon could be seen from Australia, South East Asia and the West Coast of the US. A super moon is when the moon is at its closest point in its orbit to Earth, a blood moon is a total lunar eclipse where the moon turns orange-red, and a blue moon is a second full moon in a calendar month. 00:03:50 Researchers using high-tech LIDAR have found more than 60,000 previously undetected Mayan buildings, defence

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02:13

SoT Special: 2017 Bloopers and Outtakes

Science On Top ·

2017/12/30

2017 was a big year for science. Gravitational waves were detected four times, it was the end of Cassini's mission, and lady dragonflies faked their own deaths to avoid sex. And we talked about all these stories and more on Science on Top. But not everything goes to plan, and this year was no exception! We had all sorts of Skype troubles, we forgot things, we were interrupted by dogs and phones... lots went wrong! But instead of losing the hilarious moments of chaos, we've saved them all for our

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31:45

SoT 285: Our Favourite Science Stories of 2017

Science On Top ·

2017/12/23

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:01:08 Six reasons why the latest gravitational wave discovery is huge 00:07:36 Scientists solve Roman concrete puzzle 00:11:01 A look back at Cassini's incredible mission to Saturn before its final plunge into the planet 00:14:09 The first results from the Juno mission 00:17:40 A Dinosaur So Well Preserved, It Looks Like a Statue 00:20:47 We created a song that makes babies happy 00:23:33 A Thorny Debate in Plate Tectonics May Finally Be

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38:03

SoT 284: The Executive Committee Range

Science On Top ·

2017/12/11

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:01:07 Antarctica is littered with volcanoes, and while there hasn't been a major eruption in 8,000 years, there are signs that there might be one coming. 00:12:48 Rock art in Saudi Arabia dates back thousands of years, and possibly features the oldest images of dogs. 00:17:53 The "Cat's Brain" long barrow in Wiltshire, near Stonehenge dates back to around 3,800BC. It's recent excavation offers new insights into Britain's neolithic civilisation.We

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24:44

SoT 283: Multicellular Life Is Everywhere

Science On Top ·

2017/12/02

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday. 00:01:03 Stromatolites - rocky mounds made of bacterial colonies - have been around for at least 3.5 billion years. But the rise of multicellular life wiped them out except for in a few salty marine locations. Now researchers have discovered some in a remote freshwater wetland in Tasmania. 00:06:51 You wouldn't think it would matter if you were injured in the daytime or at night - but it does. Wounds inflicted during the day can heal nearly twice

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31:42

SoT 282: Funny Little Organism

Science On Top ·

2017/11/19

Hosts: Ed Brown, Dr. Shyane Joseph, Penny Dumsday. 00:01:08 A 7-year-old boy's life is saved from a rare skin disease after researchers genetically modify and grow his skin in a lab. 00:07:25 The widespread use of penicillin may been a factor in the very early development of Methicillin-resistant Staphylococcus aureus (MRSA). 00:15:06 A new study suggests that while cold blooded dinosaurs ruled the daytime, mammals evolved to be nocturnal. And when the dinosaurs were wiped out, many mammals

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30:33

SoT 281: Little Bit Magnificent Goat

Science On Top ·

2017/11/13

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:00:51 A strange rock hurtling through space turns out to be the first known detection of a visitor from another solar system! By which we mean: not aliens. 00:15:08 Lentils might not sound like exciting archaeological discovery, but a find at the prehistoric site of Gurga Chiya in Iraqi Kurdistan could provide clues about the formation of permanent settlements and the development of social stratification. 00:22:45 Using muon-scanning technology,

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56:26

SoT 280: The 2017 Ig Nobel Prizes

Science On Top ·

2017/11/08

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Lucas Randall, Dr. Mick Vagg. The Ig Nobel Prizes honour achievements that first make us laugh, then make us think. We take a look at this year’s winners: from cats in jars to disgusting cheese! You can watch the award ceremony here. 00:01:30 The Physics Prize was awarded to French scientist Marc-Antoine Fardin, "for using fluid dynamics to probe the question 'Can a Cat Be Both a Solid and a Liquid?'" 00:06:20 The Peace Prize went to four doctors

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40:49

SoT 279: Obviously, You've Missed The Bird

Science On Top ·

2017/11/01

Hosts: Ed Brown, Dr. Shayne Joseph, Lucas Randall. 00:01:11 A fifth gravitational wave detection in just two years confirms the dawn of a new era in astronomy. And this one was not only caused by two neutron stars coliding, it was accompanied by gamma ray detections, gave us more clues to the size of the universe, and a better understanding of how gold is formed. 00:17:00 Bacteria inside cancer cells can weaken or destroy some chemotherapy drugs, rendering them useless. But antibiotics aren't

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46:35

SoT 278: Nobel Prizes 2017

Science On Top ·

2017/10/24

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Lucas Randall 00:02:51 The Nobel Prize in Physiology or Medicine 2017 was awarded to Jeffrey C. Hall, Michael Rosbash and Michael W. Young "for their discoveries of molecular mechanisms controlling the circadian rhythm". 00:08:40 The Nobel Prize in Physics 2017 was divided, one half awarded to Rainer Weiss, the other half jointly to Barry C. Barish and Kip S. Thorne "for decisive contributions to the LIGO detector and the observation of

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01:12:07

SoT Special 24 – Dr. Katie Mack

Science On Top ·

2017/10/06

Dr Katherine (Katie) Mack is a theoretical astrophysicist. Her work focuses on finding new ways to learn about the early universe and fundamental physics using astronomical observations, probing the building blocks of nature by examining the cosmos on the largest scales. Ed and Lucas caught up with Katie to discuss the universe, travel, social media, and her new job at North Carolina State University. Katie's Twitter handle is @AstroKatie and her website is astrokatie.com. She also writes for Cosmos

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55:35

SoT Special 23 – Dr. Lynne Kelly

Science On Top ·

2017/09/28

Dr. Lynne Kelly is an Australian writer, researcher and science educator. She has written books on skepticism, crocodiles and spiders; and her latest book The Memory Code examines the traditional memory techniques of non-literate peoples. Her theory on the purpose of the Stonehenge megalithic, which she believes served as a center for the transmission of knowledge among Neolithic Britons, is rapidly gaining recognition among anthropologists. Ed, Penny and Lucas caught up with Lynne to talk all

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36:28

SoT 277: Stuck On Saturn Images

Science On Top ·

2017/09/20

Hosts: Ed Brown, Penny Dumsday, Lucas Randall, Peter Miller 00:01:00 Surprisingly, a lot of plants in the tropics tend to have large leaves. A team of scientists at Macquarie University in Sydney may have worked out why: and it's a balancing act. 00:08:42 After 13 years, the Cassini mission is coming to a fiery end. It's been one of NASA's most successful - and beautiful - missions. 00:19:36 Data from the Juno spacecraft finds that Jupiter's powerful auroras aren't powered the same way that

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39:35

SoT 276: Fluffy Rocks

Science On Top ·

2017/09/10

Hosts: Ed Brown, Penny Dumsday, Lucas Randall. 00:01:06 Another plate tectonics mystery could be solved: how thick is a continental plate? According to a study published in the journal Science, pretty thick - between 130 and 190km! 00:10:57 Mars' "bow shock" - where charged particles from the Sun interact with the red planet's atmosphere - has been studied by a team of European scientists. They found that the bow shock's location changes over several Martian years, for a variety of reasons

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30:46

SoT 275: Almost Edible

Science On Top ·

2017/08/27

Hosts: Ed Brown, Penny Dumsday, Lucas Randall. 00:01:12 Four years after a groundbreaking peanut-allergy study, researchers in Melbourne have followed up on the original patients. The results are promising, and could lead to a potential cure for one of the most common - and deadly - allergies. 00:16:59 A new study has discovered 91 new volcanoes beneath the Antarctic Ice Sheet, making it one of the densest clusters of volcanoes in the world. 00:22:21 After more than a hundred years, a fruitcake

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30:05

SoT 274: The Armadillo Transformer

Science On Top ·

2017/08/20

Hosts: Ed Brown, Penny Dumsday, Lucas Randall. 00:01:21 The largest dinosaur ever discovered, found in Argentina in 2013, is now officially known as the Patagotitan mayorum. 00:11:35 An amazingly well preserved dinosaur fossil found by Canadian miners is already giving lots of information about skin pigmentation, camouflage and even its last meal. Also it looks like a wingless dragon. 00:17:16 We're all made of star stuff, but not necessarily local star stuff. A new study based on supercomputer

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23:04

SoT 273: The Last Place You Look

Science On Top ·

2017/08/11

Hosts: Ed Brown, Penny Dumsday, Lucas Randall. 00:01:15 Just weeks after the really big iceberg split from the Antarctic ice shelf, a new rift has formed. And the giant iceberg has already begun breaking up. 00:07:14 A new study into the migration of early humans to Australia dates their arrival back to 65,000 years ago. And it also finds they were more sophisticated in their use of tools than we previously thought. 00:15:06 Rare fossilised footprints of Tasmanian tigers and devils, as well as

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55:44

SoT 272: Raven Pocket

Science On Top ·

2017/08/02

00:03:41 An enormous iceberg breaks off from Antarctica. But did climate change cause it, like many news outlets claimed? 00:13:34 Plants don't turn caterpillars into cannibals. But hungry caterpillars will turn cannibal if the plant doesn't taste nice. 00:21:53 Gene modification tool CRISPR has been used to encode an animated gif in the genes of live bacteria. DNA could be the digital storage device of the future! 00:34:03 Ravens are smart - they can use tools, and solve puzzles - and they may

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32:12

SoT 271: Seductive Cockatoo Music

Science On Top ·

2017/07/20

Hosts: Ed Brown, Penny Dumsday, Lucas Randall. 00:01:03 The Ancient Romans built sea walls with concrete that is still standing in many places today. What made their concrete so much stronger than modern concrete? 00:08:24 The chances of finding life on Mars grew even slimmer after a study found chemicals in the Martian soil are highly toxic. 00:15:54 Animals that use tools aren't uncommon, and neither are animals that make sounds to attract mates. But the Palm cockatoo could be the first non-human

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41:39

SoT 270: Sweeping Majestically Across The Plain

Science On Top ·

2017/07/14

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Sean Elliott 00:00:48 Sean talks about his Roughbot project, a programmable robot kit that introduces students to coding and robotics. 00:04:47 Every year, 1.2 million blue wildebeest migrate across East Africa, accompanied by around 200,000 zebra and antelope. At one point in their mass migration, however, they have to cross the mighty Mara River. Those that don't survive the crossing end up being crucial to the surrounding ecosystem. 00:11:13

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390 results

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