Science On Top (general)
The Australian Podcast putting Science on Top of the agenda

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 Space Station.

Direct download: SoT_0293.mp3
Category:general -- posted at: 10:06pm AEST

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 Telescope have imaged the most distant star ever seen - 9 billion light years away.

00:29:28 Non-profit news service Kaiser Health News has launched a large database tracking pharmaceutical companies and where they spend their money. In one year drug companies spent $63 million on political lobbying activities but almost double that on Patient Advocacy Groups.

00:41:39 You probably didn't realise it, but the puffins have flourescent beaks. So why is this researcher making them wear sunglasses?

 

This episode contains traces of Breakfast Television Toronto hosts Kevin Frankish and Frank Ferragine discussing the interstitium.

Direct download: SoT_0292.mp3
Category:general -- posted at: 1:29pm AEST

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.

00:20:52 Newspapers are dying, especially local newspapers. But the decline in local news outlets has a big effect on epidemiology, as researchers try to track the spread of diseases that aren't recorded anywhere else.

 

This episode contains traces of CBS News correspondent Anna Werner describing a new Californian requirement for a cancer warning on coffee.

Direct download: SoT_0291.mp3
Category:general -- posted at: 1:00pm AEST

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 long-billed corella is a parrot may have become a pest to many farmers in Australia, but not so long ago their numbers were very low.

00:22:27 There's a Chinese space station that's hurtling out of control towards Earth. We don't know when it will hit, where it will hit, how much will burn up in the atmosphere or what toxic substances may still be on board. But you'll probably be fine.

00:29:37 NASA's super-successful planet-hunting spacecraft, Kepler, is running out of fuel.

 

This episode contains traces of Stephen Hawking talking to Carl Sagan and Arthur C. Clarke about black holes in 1988.

Direct download: SoT_0290.mp3
Category:general -- posted at: 10:45pm AEST

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 supercolony of more than 1.5 million Adélie penguins.

00:25:54 A tribe of people that lived in Southern Africa nearly a thousand years ago have unintentionally left a legacy that is now a new source of information about the Earth's magnetic field.

 

Dr. Helen Maynard-Casely is an instrument scientist for the WOMBAT high-intensity powder diffractometer at the Bragg Institute. She writes “The Shores of Titan” column on The Conversation. Her most recent scientific paper, The Acetylene-Ammonia Co-crystal on Titan, is published in the journal ACS Earth and Space Chemistry.

 

This episode contains traces of Liz MacDonald, a space scientist at NASA's Goddard Space Flight Center, describing a newly discovered type of aurora.

Direct download: SoT_0289.mp3
Category:general -- posted at: 10:47am AEST

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 people have thought about chance, fate and probability over the centuries.

00:16:23 The crickets on the Hawaiian island of Kawaii have gone quiet. They're still there, they're still trying to chirp, but they're not making any sound].

00:22:53 There are 167 known species of tardigrades - the virtually indestructible eight-legged micro-animals. But the recently discovered 168th has unusual eggs.

00:26:31 And speaking of tardigrades, Shayne has some feels about Star Trek: Discovery.

 

This episode contains traces of the Today Extra TV program discussing a study that didn't suggest eating McDonald's fries could cure baldness.

Direct download: SoT_0288.mp3
Category:general -- posted at: 9:27pm AEST

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 surprising portrait of a Cheddar Man, a human who lived in England 9,100 years ago.

00:31:41 Palaeontologists have found spectacularly well preserved proto-spiders suspended in amber. The ancient arachnids had tails longer than their tiny bodies.

 

This episode contains traces of "Starman" being deployed into space to the music of David Bowie, and the celebrations of engineers at SpaceX.

Direct download: SoT_0287_correct.mp3
Category:general -- posted at: 12:01am AEST

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 installations and pyramids in the dense jungle in Guatemala.

00:09:58 A team led by NOAA scientist Camryn Allen has been studying the Pacific green sea turtle in the Great Barrier Reef. Worryingly, she's found that most of them are female.

00:16:17 A glaciology postdoc at Princeton University has proposed an audacious plan to reduce or delay the threat of catastrophic sea-level rise. Michael Wolovick wants to build walls to stop glaciers sliding off Antarctic land into the ocean.

00:24:02 An analysis of birds-of-paradise feathers led by Dakota McCoy from Harvard University, has discovered exactly how the birds achieve the blackest of blacks.

 

This episode contains traces of BBC Breakfast hosts Dan Walker and Louise Minchin discussing a killer whale that has been 'taught' to 'speak' English.

Direct download: SoT_0286.mp3
Category:general -- posted at: 10:24pm AEST

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 traditional end of year bloopers episode. All the rants, the tangents, the swearing and the brain farts all put together for one long blooper reel! There's even an entire story that was cut from the regular show that we've included out of the kindness of our hearts.

You must download or play the bloopers episode from our site: http://scienceontop.com/bloopers17 or on YouTube or Soundcloud!

Direct download: Bloopers_2017_announce.mp3
Category:general -- posted at: 12:58am AEST

 

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 Resolved

00:25:50 Why Female Dragonflies Go to Extreme Lengths to Avoid Sex

Plus we interviewed some great people this year:

Direct download: SoT_0285.mp3
Category:general -- posted at: 6:43pm AEST