BBC World Service
Science In Action
The BBC brings you all the week's science news.
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Episodes
All aboard the RRS Sir David Attenborough 30.11.2023 31:09
This week, the RRS Sir David Attenborough arrived in Antarctica to start its first full season of science in the polar region. Dr Nadine Johnston reveals more about the mission and the research they’ll be carrying out. Next up, medical geneticist Professor Shahida Moosa and her student Jessica Jane Cormick are working to help diagnose and treat rare diseases. They explain why better genetic databa...
Fires in the Pantanal wetlands 23.11.2023 29:47
This month, Brazil has seen some of its highest recorded temperatures. The country’s Pantanal wetlands, the largest tropical wetlands in the world, have been scorched by wildfires. The region is home to vibrant wildlife, including jaguars, anacondas and various birds. Professor Letícia Couto Garcia, leader of the Intervention Ecology Lab at Mato Grosso Federal University in the South, Brazil, talk...
Volcanic rumblings in Iceland 16.11.2023 29:38
Increased tremors have been felt in Iceland, and concerns about an impending eruption have led to the evacuation of the town of Grindavik. Geophysicist Dr Freysteinn Sigmundsson reveals more about the events and whether this area of Iceland may be entering a new period of volcanic activity that could span centuries. Also, Google DeepMind’s new GraphCast system could revolutionise weather forecasti...
Sounds of the Cape 09.11.2023 26:28
This week we're out in the wild and noisy spaces in and around Cape Town, South Africa. Ichnologist Charles Helm takes Roland on a bumpy ride in Walker Bay Nature Reserve to hunt for fossilised animal tracks, with a few brilliant surprises. Producer Ella Hubber visits the SANCCOB seabird rehabilitation centre to speak to researcher Katta Ludynia about what challenges the African penguin faces. We...
Climate emergency 02.11.2023 26:28
Category 5 hurricane Otis, which devastated Acapulco, was supercharged by global warming; hurricane expert Kerry Emanual tells Science in Action. Also, Brazilian ecologist Erika Berenguer has witnessed the destruction caused by the prolonged drought in Amazonia, where the rivers are drying up and the forest is burning. And, climate scientists now say there is less time than previously thought to a...
Bird flu reaches Antarctic region 26.10.2023 27:55
Fear that the highly infectious variant of avian influenza, H5N1, would reach the Antarctic region and put isolated bird populations at risk has finally come to fruition as the first birds on Bird Island in the Atlantic Ocean have come down with the devastating illness. Science manager of the island, Ashley Bennison, explains the situation. Then, from one extreme climate to another - mummified mic...
Alarm at Campi Flegrei, Italy 19.10.2023 27:18
Accelerating seismic tremors are raising concerns for the thousands of people living atop a volcanic hot spot close to Naples, Italy. Volcanologist Alessandro Pino has been keeping a watchful eye on the developing situation. We stay in Naples where, almost 2000 years ago, the eruption of Mount Vesuvius buried Pompeii, including thousands of scrolls turned to charcoal by the immense heat. This hasn...
Devastating earthquakes hit Afghanistan 12.10.2023 26:28
Lying atop a network of fault lines, where the Indian and Eurasian tectonic plates meet, Afghanistan is prone to earthquakes. However, the Herat area has not seen an event for almost 1000 years. As such, it was the least likely area to experience the series of devastating earthquakes and aftershocks which are reported to have killed thousands this week. Afghani seismologist Zekaria Shnizai discuss...
The best and the worst 05.10.2023 30:05
The 2023 Nobel Prize in Physiology or Medicine was awarded to Katalin Karikó and Drew Weismann for their contributions to developing the fundamentals that led to life saving mRNA vaccines. Although funding and support were not always assured on their road to the Nobel, Katalin Karikó tells Roland she used these setbacks to drive her towards success. On the other side of the coin, allegations of sc...
Trilobite dinner 28.09.2023 27:22
What did a 465-million-year-old trilobite eat for dinner? And how can we possibly know? Archaeologist Per Ahlberg has used x-ray to peer into the guts of one ancient scuttling creature and worked out what it what was munching on in its final moments. From life in ancient earth rocks to potential life in space rocks, mineralogist and astrobiologist Bob Hazen has been training AI to spot signatures...
More likely, more intense 21.09.2023 28:25
Storm Daniel devastated the city of Derna in Libya after heavy rainfall broke a dam, causing extreme flooding downstream. The World Weather Attribution (WWA) reports that severe flooding in Libya and across the Mediterranean has been made more likely and more intense due to human induced climate change. WWA scientist Friederike Otto gets into the report. Back in 2020, NASA’s OSIRIS-REx scooped up...
Deadly floods in Derna 14.09.2023 26:32
Earlier this week the deadly Mediterranean cyclone, Storm Daniel, swept through the small city of Derna in Libya, collapsing a 50-year-old dam in its wake, and triggering devastating floods which have killed over 5000 people. We speak to atmospheric scientist, Stavros Dafis, about the cyclone’s characteristics and to civil and structural engineer, Lis Bowman, about the dam collapse. Unsurprisingly...
Returning to the North Pole 07.09.2023 27:49
In September 2012 Arctic sea ice melted to its minimum ever recorded and the German research ice breaker, Polarstern, ventured deep into the region North of Russia to record findings. It’s now retracing its steps, over a decade later, to observe how things have progressed. Autun Purser and Antje Boethius describe the journey and the importance of documenting developments in the face of climate cha...
Drowning coastal ecosystems 31.08.2023 28:05
Global sea levels are rising more than 3mm per year under current climate conditions. At this rate we are due to hit an alarming 7mm rise per year by the end of the century. If this is not slowed, it could lead to the drowning of essential coastal ecosystems like mangroves and lagoons, professor of environmental science Neil Saintilan tells Science in Action. The seas are also heating up. We’ve co...
Brain-computer interfaces 24.08.2023 29:01
Advances in brain-computer interfaces have allowed patients with paralysis to communicate faster, more accurately and more expressively with direct brain to speech translation. Co-author of an exciting new paper in the field, bioengineer Alex Silva, tells Science in Action about his team’s work with patient Ann. The world has been following the Indian and Russian race to land on the lunar south po...
The science behind the Hawaii fire 17.08.2023 29:10
Hawaii is still reeling from the devastating fires that consumed Lahaina on the island of Maui last week. Professor of Meteorology from the University of Hawaii, Kevin Hamiliton, joins Science in Action to discuss the factors that make these events more likely across the Hawaiian Islands. Amongst these is climate change. Also this week we discuss the concerning reports of a sudden spike in methane...
Pandemic surveillance system at risk 10.08.2023 26:28
ProMED is one of the most useful scientific tools you’ve never heard of. It’s a global surveillance system of infectious disease outbreaks which is available, for free, to researchers and the public alike. But ISID, the society which runs the platform, claim they have run out of money to support ProMED and will be switching to a subscription service, against the wishes of both users and staff. Pro...
Bird Flu is back 03.08.2023 29:46
Science in Action returns to H5N1, the fast spreading strain of bird flu which has caused devastation in the sky, sea, and land over the last few months, with no end in sight. Roland visits Skomer Island and the coast of Wales where sea bird colonies are threatened and hundreds of guillemots have washed ashore dead, struck down by bird flu. We also hear of outbreaks on Finnish fur farms where cont...
Ocean current collapse 27.07.2023 26:28
A large system of ocean currents known as the Atlantic meridional overturning circulation (AMOC) has been making headlines this week as a new paper predicts its imminent collapse. This could have devastating consequences for the climate. But not all climate scientist and oceanographers are convinced by the results. Stefan Rahmstorf and Eleanor Frajka-Williams debate the contentious paper. In more...
On the edge of a new volcano 20.07.2023 26:28
For the third year running, Iceland’s Reykjanes peninsula is experiencing another spectacular volcanic eruption. Volcanologist Evgenia Ilyinskaya has been out in Iceland witnessing the sight and getting samples of the noxious fumes. Across the rest of the Northern Hemisphere heat domes persist, bringing extreme weather ranging from wildfires to tornadoes. We keep on seeing that this year “is the w...
Europe’s heatwave death toll 13.07.2023 26:29
As extreme heat returns to much of the world we hear the impact of last year’s heatwaves in Europe, where 62,000 people are estimated to have died. Joan Ballester, Associate Research Professor at Barcelona Institute for Global Health, discusses the figures from his latest paper and his concerns for the future. This week the European Court of Human Rights ruled in favour of middle-distance runner a...
Melting of Greenland ice sheet 06.07.2023 26:34
Record-breaking global temperatures are accelerating Greenland ice melt at an alarming rate. Professor of glaciology Alun Hubbard has witnessed the melt first hand. He tells us how the ice sheet is being destabilised and what this could mean on a human level. Also, how safe are Japanese plans to dispose of nuclear waste from the Fukushima accident? We get reassurance from molecular pathology exper...
Preparing for crises 29.06.2023 28:38
We have entered a “permacrisis”, an extended period of instability and insecurity, fuelled not only by natural disasters but pandemics, climate change and war. This week, Science in Action is at the Royal Society as they host the All European Academies assembly on the importance of research in crises. Roland speaks to international experts on how research contributes to responding to and preparing...
Human embryo models 22.06.2023 26:52
Over the last week, news of “synthetic human embryos” has made headlines around the world. Science in Action is getting to the bottom of the sensational story. We talk to two of the researchers who have made the embryo models from stem cells in their labs; Professor Magdalena Zernicka-Goetz from the University of Cambridge and California Institute of Technology, and Professor Jacob Hanna from the...
Oceans in hot water? 15.06.2023 28:19
As Pacific Ocean temperatures rise, a major El Niño is looming. Experts from the European Centre for Medium range Weather Forecasting, Magdalena Balmaseda and Tim Stockdale, join us to discuss how it is heating up the world and if it could herald in a new period of climate uncertainty. Last month, Roland stayed up all night to watch the spectacular explosion of supernova 2023ixf. Now, Dr Charlie K...
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