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Lab Notes: How microscopic algae can devastate ocean life
Manage episode 486532500 series 5402
Content provided by ABC Radio and ABC listen. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by ABC Radio and ABC listen or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.
A couple of months ago, a killer started mobilising off the South Australian shore — one that would wipe out marine life, make surfers feel sick, and smother picturesque beaches in thick foam.
The culprit? A bloom of tiny organisms called microalgae. We can't see them with the naked eye, but in big enough numbers, they can devastate ecosystems.
So what made the South Australian algal bloom so lethal, and can anything be done about blooms like it?
1064 episodes
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Manage episode 486532500 series 5402
Content provided by ABC Radio and ABC listen. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by ABC Radio and ABC listen or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.
A couple of months ago, a killer started mobilising off the South Australian shore — one that would wipe out marine life, make surfers feel sick, and smother picturesque beaches in thick foam.
The culprit? A bloom of tiny organisms called microalgae. We can't see them with the naked eye, but in big enough numbers, they can devastate ecosystems.
So what made the South Australian algal bloom so lethal, and can anything be done about blooms like it?
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The Science Show - Full Program Podcast
1 The trees that harness lightning to kill their rivals 42:07
42:07 
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Play Later Play Later Lists Like LikedIn an electrifying episode of the Science Show, find out how getting struck by a bolt from the heavens can help at least one species of tall tree not only survive, but thrive. Then step back in time to solve a tool-making mystery in Samoa and discover hidden treasures in centuries-old books — including a bubonic plague flea.…
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The Science Show - Full Program Podcast
1 Lab Notes: The telescope redefining the Universe 12:50
12:50 Play Later Play Later Lists Like Liked12:50
Play Later Play Later Lists Like LikedIn the three years since the James Webb Space Telescope sent back its first images, it's pulled back the veil on a whole bunch of mind-blowing cosmic phenomena. So how has this $13 billion bit of kit shaped what we know about the Universe — and what is yet to come?
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The Science Show - Full Program Podcast
1 What does it take to bring back an extinct animal? 40:47
40:47 Play Later Play Later Lists Like Liked40:47
Play Later Play Later Lists Like LikedWe hear from scientists who push the boundaries of creation, whether that's building wild and wacky snack flavours (successfully) or cloning extinct tropical frogs (unsuccessfully … so far). And since President Donald Trump retook office, the state of health and science research in the US has been precarious for many who work in those areas. But there is a silver lining. Other countries such as Australia are implementing programs to recruit US researchers looking to relocate.…
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The Science Show - Full Program Podcast
1 Lab Notes: What we can learn from the world’s cleanest air 13:51
13:51 Play Later Play Later Lists Like Liked13:51
Play Later Play Later Lists Like LikedWe often hear about places where the air quality is bad, even dangerous, but what about where the air is the cleanest on Earth? That air can be found blowing onto the north-west tip of Tasmania at Kennaook/Cape Grim, where an air pollution station has quietly been keeping track of how humans have changed the makeup of our atmosphere for 50 years. So what does the world's cleanest air tell us?…
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The Science Show - Full Program Podcast
Karl Popper (1902-1994) is regarded as one of the greatest philosophers of science of the twentieth century. Alan Saunders presented this portrait of Karl Popper for The Science Show in January 2001.
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The Science Show - Full Program Podcast
A weekly injection that stops that hankering for hot chips and donuts? Many people on Ozempic and similar medications report this phenomenon, saying they no longer have incessant thoughts about sweets and fried food. So how do these drugs, known as GLP-1 agonists, work in the brain to dial down "food noise" and help people lose weight?…
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The Science Show - Full Program Podcast
1 Celebrating Charles Todd and the overland telegraph 54:07
54:07 Play Later Play Later Lists Like Liked54:07
Play Later Play Later Lists Like LikedThe overland telegraph connecting Australia to the world was completed just over 150 years ago. It was built due to the dedication of a public servant, Charles Todd.
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The Science Show - Full Program Podcast
1 Lab Notes: The tiny beetle ravaging Perth's trees 14:49
14:49 Play Later Play Later Lists Like Liked14:49
Play Later Play Later Lists Like LikedIt's the size of a sesame seed, but it could cause unfathomable destruction to Australia's forests and urban canopy. A beetle called the polyphagous shot-hole borer (Euwallacea fornicatus) is silently spreading through Perth and its surrounds, forcing councils to chop and chip hundreds of trees — even century-old Moreton Bay figs. So how does the tiny pest cause such massive problems?…
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The Science Show - Full Program Podcast
1 Professor Roger Short, reproductive biologist 54:07
54:07 Play Later Play Later Lists Like Liked54:07
Play Later Play Later Lists Like LikedRoger Short (1930-2021) discusses influences in his early life, and some of his research achievements including melatonin as a controller of circadian rhythms, and aspects of reproductive biology across the animal world.
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The Science Show - Full Program Podcast
1 Lab Notes: What makes Sydney's cockies so clever? 14:35
14:35 Play Later Play Later Lists Like Liked14:35
Play Later Play Later Lists Like LikedFirst they learnt how to flip open wheelie bin lids. Now they're using water fountains. Masters of the urban landscape, sulphur-crested cockatoos (Cacatua galerita) are more than capable of some quirky (and sometimes messy) antics. So what do these entertaining exploits tell us about cockie innovation — or even cockie culture?…
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The Science Show - Full Program Podcast
Get ready for gravitons, dark photons and transition states. Kathryn Zurek takes us on a tour of the bewildering world of quantum physics.
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The Science Show - Full Program Podcast
1 Lab Notes: How microscopic algae can devastate ocean life 13:34
13:34 Play Later Play Later Lists Like Liked13:34
Play Later Play Later Lists Like LikedA couple of months ago, a killer started mobilising off the South Australian shore — one that would wipe out marine life, make surfers feel sick, and smother picturesque beaches in thick foam. The culprit? A bloom of tiny organisms called microalgae. We can't see them with the naked eye, but in big enough numbers, they can devastate ecosystems. So what made the South Australian algal bloom so lethal, and can anything be done about blooms like it?…
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The Science Show - Full Program Podcast
People have been in the Australian wilderness for generations. But can people be considered part of the natural landscape or will they always have an impact?
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The Science Show - Full Program Podcast
1 Lab Notes: AI that outperforms humans is coming 14:41
14:41 Play Later Play Later Lists Like Liked14:41
Play Later Play Later Lists Like LikedIf you were impressed by generative AI such as ChatGPT, then artificial general intelligence or AGI promises to really knock your socks off. Over the past couple of decades, tech companies have been racing to build AGI systems that can match or surpass human capabilities across a whole bunch of tasks. So will AGI save the world — or will it spell the beginning of the end for humanity?…
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The Science Show - Full Program Podcast
1 Mary Somerville - Brilliant polymath, scientific genius triumphed against the odds 54:51
54:51 Play Later Play Later Lists Like Liked54:51
Play Later Play Later Lists Like LikedShe could only read and write from age 10. She reared children and had a first unsupportive husband. But Mary Somerville was able to correct the work of Isaac Newton, help discover Neptune, and write a science book which became a university text.
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Similar to The Science Show - Full Program Podcast
A weekly programme that illuminates the mysteries and challenges the controversies behind the science that's changing our world.
…
continue reading
Science Friction's latest series is: Brain Rot. We're looking at what being chronically online is doing to our brains. What's really going on with our attention spans and tech addiction? Is data-dumping your entire life into ChatGPT helpful? Can going internet free help you escape the doomscroll? And what's it like to be in love ... with an AI? National technology reporter Ange Lavoipierre tackles the wildest ways people are using tech and the big questions about our own use. That's Brain Ro ...
…
continue reading
Flash Forward is a show about possible (and not so possible) future scenarios. What would the warranty on a sex robot look like? How would diplomacy work if we couldn’t lie? Could there ever be a fecal transplant black market? (Complicated, it wouldn’t, and yes, respectively, in case you’re curious.) Hosted and produced by award winning science journalist Rose Eveleth, each episode combines audio drama and journalism to go deep on potential tomorrows, and uncovers what those futures might re ...
…
continue reading
Come dive into one of the curiously delightful conversations overheard at National Geographic’s headquarters, as we follow explorers, photographers, and scientists to the edges of our big, weird, beautiful world. Hosted by Peter Gwin and Amy Briggs.
…
continue reading
The kickass science and technology radio show that delivers an irreverent look at the week in science and technology.
…
continue reading
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
…
continue reading
DNA science. Artificial intelligence. Smartphones and 3D printers. Science and technology have transformed the world we live in. But how did we get here? It wasn’t by accident. Well, sometimes it was. It was also the result of hard work, teamwork, and competition. And incredibly surprising moments. Hosted by bestselling author Steven Johnson (“How We Got To Now”), American Innovations uses immersive scenes to tell the stories of the scientists, engineers, and ordinary people behind the great ...
…
continue reading
Join Dr Karl Kruszelnicki, Lucy Smith and their scientific guests, with a bunch of curious triple j listeners for a weekly injection of science, myth-bashing and answers!
…
continue reading
I discuss a variety of topics in both the natural and social sciences, exploring the many fascinating insights that the scientific method yields about the world around us.
…
continue reading
The simplest questions often have the most complex answers. The Philosopher's Zone is your guide through the strange thickets of logic, metaphysics and ethics.
…
continue reading
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Go offline with the Player FM app!
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