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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

34:34

SoT 306: Don't Call It A Wolphin

Science On Top ·

2018/08/12

Hosts: Ed Brown, Penny Dumsday, Lucas Randall, Alayna Hansen. 00:00:58 We're hosting Dr. Pamela Gay for a talk, Q&A session and live show in Melbourne on Wednesday 10 October! Tickets $20 from scienceontop.com/live and all proceeds go to the non-profit Astronomical Society of the Pacific. 00:02:23 The government of Sierra Leone has announced the discovery of a new species of Ebola virus. Fortunately there's no indication that it's spread to humans yet, but that could be just a matter of time

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38:07

SoT 305: Dolphins Doing Backflips

Science On Top ·

2018/08/05

Hosts: Ed Brown, Penny Dumsday, Professor Jonti Horner, Sarah de Garis 00:01:22 The longest lunar eclipse in 18 years gave viewers in much of the world a stunning spectacle - a blood red moon. 00:03:08 Radar data from the Mars Express probe has revealed a large lake of liquid water beneath the red planet's surface. 00:14:49 CRISPR is a defence mechanism used by bacteria against viruses. And it's pretty good - but it has one major weakness that viruses exploit. 00:22:22 Researchers at Carnegie

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35:50

SoT 304: Licking the Walls

Science On Top ·

2018/07/27

Hosts: Ed Brown, Lucas Randall, Dr. Carolyn de Graaf 00:01:04 It was one of the most incredible news stories of the year - the rescue of twelve kids and their soccer coach from the flooded Thai cave. Made even more remarkable that they all returned in relatively good health - especially considering all the diseases and illnesses they were at risk of catching. 00:10:48 Whether it's Ebola, Hendra, SARS, or rabies; bats are often blamed for the spread of viruses. But is that fair? Are bats more

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55:12

SoT 303: The Elf Who Could Not Love

Science On Top ·

2018/07/15

Hosts: Ed Brown, Lucas Randall, Daniel Midgely 00:01:18 Billed as having "mastered sign language", Koko The Gorilla has passed away. But was she all she was cracked up to be? Koko's First Interspecies Web Chat: Transcript Project Nim: the chimp who was brought up like a child Clever Hans It’s time to stop exposing people to the dangers of Facilitated Communication Sue Savage-Rumbaugh 00:29:43 An international team has discovered a galaxy unlike any other. Smaller than the Milky Way, the

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43:24

SoT 302: A Sad Albino Parrot

Science On Top ·

2018/07/09

Hosts: Ed Brown, Penny Dumsday, Lucas Randall, Dr. Brad McKay 00:01:55 The WHO calls "gaming disorder" a mental health condition - so what is it, how serious is it, and what can we do about it? 00:14:08 Satellites have found the coldest place on Earth and it could kill you! 00:18:20 Can parasites control animals they haven't physically infected? Probably not, but tapeworms infecting stickleback fish can indirectly influence other, noninfected fish. Remember to watch Ed Yong's parasite TED Talk

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30:27

SoT 301: Underground Camouflaged Silent Frogs

Science On Top ·

2018/06/27

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:01:05 A critically endangered frog lives underground in a remote mountainous region of Australia. Researchers are now trialling an adorable new method for finding and studying them. 00:07:15 Diabetes is a growing problem around the world, and now some researchers are looking to an odd-looking Australian icon for a potential new treatment. 00:16:07 A new paper published in Science has caused quite a buzz, by demonstrating that honeybees understand

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44:02

SoT 300: Science and Selfies

Science On Top ·

2018/06/21

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Lucas Randall, Dr. Helen Maynard-Casely, Dr. Mick Vagg 00:03:26 The recent discovery of dunes on Pluto surprised planetary scientists. With very little atmosphere or wind, what could cause them? 00:11:48 A sample from Mars, analysed by the Curiosity rover, has found organic molecules - the building blocks of life. 00:18:25 One of the most famous psychology experiments, the Stanford marshmallow test, looked at delayed gratification in children back

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36:17

SoT 299: Ingesting Geese

Science On Top ·

2018/06/13

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:01:04 Vitamania is stronger than ever, with more than half of Americans and nearly a third of Australians regularly taking vitamin supplements. But a new study finds that most vitamin supplements have little or no benefit, and some can even be doing harm. 00:10:03 If there's life elsewhere in the universe, there's a good chance it's bacteria or something much like it. Now astrobiologists are pushing for more attention to be paid to extra-terrestrial

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29:03

SoT 298: Streptococcus Galactica

Science On Top ·

2018/06/07

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:01:12 Jaundice, fairly common in newborn babies, could be an evolutionary advantage. 00:10:14 France is being invaded by giant, carnivorous, cloned flatworms. And it has been for more than two decades. 00:16:16 The rare birds native to the South Georgia islands, in the middle of nowhere, are no longer at risk from introduced rodents. They have been saved by a successful eradication project. 00:20:51 Asteroid 2015 BZ509 has mystified astronomers

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46:37

SoT 297: Creepy Masks Are Creepy

Science On Top ·

2018/05/29

Hosts: Ed Brown, Penny Dumsday, Lucas Randall, Alayna Hansen, and Peter Miller. 00:02:13 The internet blew up with the Yanny/Laurel audio illusion. Why do some people hear one thing, others hear another, and some people can hear both? 00:08:50 A new look at old data reveals signs of plumes of water coming from Jupiter's moon Europa. 00:13:35 Watching Europa is Peter's audio-visual artwork imagining life on Europa. 00:23:02 The chytrid fungus is devestating amphibian populations, but geneticists

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36:39

SoT 296: Classic Neanderthal Styling

Science On Top ·

2018/05/22

Hosts: Ed Brown, Penny Dumsday, Dr. Carolyn de Graaf 00:11:15 Harvard researchers have systematically profiled every cell in developing zebrafish and frog embryos, showing how one cell develops into an entire organism. 00:15:28 81-year-old James Harrison has saved millions of babies. His weekly blood donations have been used to create a treatment to protect unborn babies from the deadly Rhesus D Haemolytic Disease (HDN). 00:23:16 Experts from around the wold have signed a letter to the World Health

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28:06

SoT 295: The Red Light District

Science On Top ·

2018/05/07

Hosts: Ed Brown, Penny Dumsday, Sarah de Garis 00:01:25 A study by a team from University of Sussex shows that horses can not only distinguish human facial expressions, but they remember people's emotional states several hours later. 00:08:23 Male fruit flies enjoy sex. 00:17:07 There's a fungus that uses tiny crystals to sense gravity. And it can do that, because it stole genes from a bacteria. 00:21:06 Kids have a lot of energy - but in terms of endurance and recovery, they can even perform

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33:06

SoT 294: Plastics Bad, Bacteria Good

Science On Top ·

2018/05/01

Hosts: Ed Brown, Dr. Shayne Joseph, Lucas Randall 00:01:31 While studying the enzyme produced by a bacteria that eats plastic, an international team has accidentally made it even better. 00:08:57 NASA's new planet-hunding spacecraft has launched. TESS will study 85% of the sky, and will be able to study the mass, size, density and orbit of thousands of exoplanets. 00:23:37 Retrotransposons - elements of DNA that can spread to other species - are being found more and more often. And they're almost

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31:04

SoT 293: Hot Chilli Wars

Science On Top ·

2018/04/21

Hosts: Ed Brown, Lucas Randall, Peter Miller 00:01:13 The bowhead whale sings a different tune to the humpback whale. It's more jazz to the humpback's classical. 00:07:38 The closest star outside our solar system just did a big burp. And it wouldn't be good for any life on its planet. 00:21:57 The hottest chilli in the world was the Carolina Reaper. A competitive eater ate one, then regretted it. This episode contains traces of Will Smith interviewing astronaut Drew Feustel on the International

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47:07

SoT 292: The Little Telescope That Could

Science On Top ·

2018/04/15

Hosts: Ed Brown, Dr. Shayne Joseph, Lucas Randall, Jo Benhamu. 00:01:00 New York researchers have detailled the "structure and distribution of an unrecognized interstitium in human tissues". Or as some are calling it, a brand new organ. 00:16:37 New evidence lends credibility to an old theory of how Vikings navigated the seas. They could have used 'sunstones' and polarised light to find the sun in cloudy conditions. 00:24:39 Thanks to gravitational lensing, astronomers using the Hubble Space

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27:15

SoT 291: Orbital Mechanics Are So Cool

Science On Top ·

2018/04/07

Hosts: Ed Brown, Penny Dumsday, Lucas Randall 00:01:06 The Draw-A-Scientist test has been a regular investigation of children's ideas about science. The proportion of women being drawn has risen sharply since the test was first done in the 1960s. 00:09:09 70,000 years ago a small red dwarf star hurtling through space came within a light-year of our sun. Scholtz's star is now about 20 light years away but it's likely responsible for the orbits of a lot of comets and asteroids in our solar system

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38:46

SoT 290: There's No Fuel Gauge

Science On Top ·

2018/03/29

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Lucas Randall 00:01:15 Stephen Hawking led a remarkable life, and a brilliant career in theoretical physics and cosmology. His genius will be sorely missed. 00:08:53 Contrary to many news reports, NASA's twin experiment did NOT find that 7% of astronaut Scott Kelly's DNA was changed by space travel. There were some health effects, but he definitely remained human. 00:15:58 Some media outlets, such as LiveScience, issued corrections. 00:17:56 The

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37:23

SoT 289: A Wisdom of Wombats

Science On Top ·

2018/03/20

Hosts: Ed Brown, Penny Dumsday, Dr. Helen Maynard-Casely 00:02:37 The Juno spacecraft has returned extraordinary new data about Jupiter's cloud system and interior. 00:14:51 Diabetes, which affects about 415 million people around the world, has conventionally been categorised into three types - Type 1, Type 2 and gestational diabetes. But a new study indicates that there may in fact be 6 different types of diabetes. 00:20:39 Using satellite and drone technology, researchers have found a new

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30:25

SoT 288: The Fly On Kauai With The Lavae

Science On Top ·

2018/03/13

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday 00:01:04 In April 2015, unusually heavy thunderstorms flooded Chile's Atacama desert, the second driest region in the world. This messed up the plans of researchers there to study life in the Mars-like desert, but it also told them more about how life can survive in long periods of drought. 00:09:27 Two Dutch researchers have looked at more than 100 examples of dice from the last 2,000 years. This huge collection can give us some clues about how

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38:26

SoT 287: An Army of Clones

Science On Top ·

2018/03/03

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Lucas Randall 00:01:06 SpaceX successfully launched the most powerful operational rocket in the world, sending a car into space. 00:12:34 An invasive species of crayfish has been tracked back to single animal, which reproduces by cloning itself. 00:19:50 Researchers have found a surprising amount of bacteria-eating viruses in an unlikely place - women's bladders. 00:27:16 DNA analysis and facial reconstruction techniques have revealed a

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390 results

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