Science On Top
The Australian Podcast putting Science on Top of the agenda

Hosts: Ed Brown, Dr. Shayne Joseph, Dr. Helen Maynard-Casely, Micaela Jemison, Lucas Randall.

Topics covered:

Helen talks about her work at the Australian Synchrotron, and Shayne explains the chicken vaccines that became a virus. White Nose Syndrome is a fungal disease wiping out populations of bats in North America. A molecule that enables bacteria such as E. Coli to infect cells has been discovered, and physicists have broken a world record by firing 192 lasers and delivering more than 500 trillion watts of power.

Direct download: SoT_0066.mp3
Category:general -- posted at: 4:38pm AEST

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Vanessa Vaughan.

Topics covered:

Fruitflies trained to count, the magnetic cells that help fish navigate, and the trade offs for having big brains. A fifth moon discovered orbiting Pluto, and the most complete skeleton of Australopithicus sediba is found. The trick used by cancer to spread through the bloodstream is identified, and the effects of gastric bypass surgery on gut bacteria.

Direct download: SoT_0065.mp3
Category:general -- posted at: 1:38pm AEST

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday.

Topics covered:

Spray-on rechargeable batteries, parents are less likely to catch colds. A 'Jekyl and Hyde' bacteria that helps worms but kills insects. Global warming causing shrinking trees, and causing more cyanobacterial toxins in our rivers and lakes.

Direct download: SoT_0064.mp3
Category:general -- posted at: 10:37am AEST

Hosts: Ed Brown, Kate Naughton, Mags Lum, Upulie Divisekera.

Topics covered:

Dear Sir David - write your tributes to a great science communicator. Physicists at CERN have discovered 'Higgs-like' particle. Oxygen injections keep rabbits alive without breathing. Geckos evolved (and lost) their sticky feet many times. A new technique allows doctors to see inside tissues without cutting the skin. And for invasive sea stars, our shipping ports are "hotspots of exotic free-spawning sex".

Direct download: SoT_0063.mp3
Category:general -- posted at: 11:15pm AEST

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday.

Topics covered:

Early warning system for El Nino weather pattern, the mysteries of the gut microbiome. Pests are adapting to the toxins produced by genetically modified crops, and a study suggests lo-fat dressings don't allow you to absorb the most nutrients from a salad.

And a TEDx talk by former astronaut Ed Lu about remote monitors in the oceans.

Direct download: SoT_0062.mp3
Category:general -- posted at: 6:30pm AEST

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Prof. Daniel Midgely.

Topics covered:

Gorillas use hand gestures to talk to their children, repeating it like 'baby talk'. Primates may first have spread from Africa to Asia, then back to Africa before humans evolved and spread Out of Africa. The chainmain on bacteria finally revealed. To teach a robot, start with a baby robot. The secret weapon against cane toads: cannibal cane toads! Wider spacing between letters makes reading easier for dyslexic children. Voyager 1 is leaving our solar system... sort of.

Direct download: SoT_0061.mp3
Category:general -- posted at: 9:37pm AEST

Hosts: Ed Brown, Dr. Shayne Joseph, Dr. Mick Vagg.

Topics covered:

Pain medication derived from cannabis vs opioids. A new theory about why giant insects died out 130 million years ago. Giant raindrops have almost no effect on small mosquitoes. Study of the Gulf of Mexico shows dramatic changes to the microscopic ecosystems after the Deep Water Horizon oil spill. Overfed fruit flies develop insulin resistance, just like humans. And researchers have sequenced the genome of an unborn baby with 98% accuracy.

Direct download: SoT_0060.mp3
Category:general -- posted at: 4:37pm AEST

Hosts: Ed Brown, Penny Dumsday, Lucas Randall, Jo Benhamu.

Topics covered:

A new study suggest there really is an "old people's smell". A combination of therapies help rats with severed spinal cords walk again. Fruit flies prove a genetic link for Restless Leg Syndrome. Carbon found in a Mars meteorite is probably volcanic, and not related to life. Astronaut vision loss and cranial hypertension may be the result of an inability to process vitamins in space. The cartoons were right - 'evil eyebrows' and a beard trigger our primal 'threat' instinct. A new study supports the Mediterranean diet as beneficial for 'quality of life'. Two new elements on the Periodic table, and sarcastic computers might not be far away.

Direct download: SoT_0059.mp3
Category:general -- posted at: 11:10pm AEST

Hosts: Ed Brown, Penny Dumsday, Vanessa Hill, Micaela Jemison.

Topics covered:

Micaela discusses the importance of micro-bats for keeping insects under control. For more information check the Australasian Bat Society website, in particular their excellent Fact Sheets. Vanessa tells us about Launchpod, her new podcast exploring the many different careers available in space-related fields. Two Site Solution: The SKA to be built in Australia AND South Africa. SpaceX successfully launches and docks Dragon, the first privately built spacecraft to dock with the International Space Station. A cotton T-shirt that acts like a capacitor and could be used to charge mobile phones. Glasses that enhance vision for the visually impaired by artificially colouring objects according to their distance. The World Health Organisation releases its One Year Report on Fukushima, and it's pretty good news. And we discuss the upcoming Transit of Venus and the partial lunar eclipse.

Direct download: SoT_0058.mp3
Category:general -- posted at: 3:35pm AEST

Hosts: Ed Brown, Dr. Shayne Joseph, Lucas Randall, Kate Naughton.

Topics covered:

Stroke victims control a robotic arm using just their thoughts. By rerouting nerves, surgeons restore some hand motion to a quadriplegic. Possibly the oldest cave art we know of features female genitalia. Transplanting human genes into zebrafish gives some clues about the genetics of autism, schitzophrenia and obesity. Scientists develop a potential malarial vaccine, from algae. Some viruses, stacked on top of each other, can be used to produce electricity.

Direct download: SoT_0057.mp3
Category:general -- posted at: 5:29pm AEST