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Science In Action

BBC World Service

The BBC brings you all the week"s science news.

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34:56

The first solar polar pictures

Science In Action ·

2025/06/12

ESA’s Solar Orbiter camera probe begins raising its orbit towards the sun’s poles, whilst Betelgeuse’s elusive buddy continues to sneak past our best telescopes.Earlier this year, Solar Orbiter started to stretch its orbit over greater latitudes – effectively standing on cosmic tiptoes to catch a glimpse of the Sun’s poles. This week, we have seen the first ever pictures of them, and as solar scientist Steph Yardley tells us, the views will only get better.Meanwhile, Andrea Dupree of the Harvard

44:17

Potential fungal 'Agroterror'?

Science In Action ·

2025/06/05

What is Fusarium graminearum and why were scientists allegedly smuggling it into the US? Also, Alpine Glacier collapse and an HIV capitulation.The FBI has accused two Chinese scientists of trying to smuggle a dangerous crop fungus into the US, calling it a potential agro-terrorist threat. But the fungus has long been widespread across US farms, and elsewhere, and is treatable. So what’s going on? Frédéric Suffert, Senior researcher in plant disease epidemiology at France’s National Research

35:53

Thirteen months to a chip off the moon

Science In Action ·

2025/05/29

China is aiming to join the small club of nations who have successfully returned scientific samples of asteroids for analysis on earth, teaching us more about how our and potentially other solar systems formed. Tianwen-2 launched successfully this week, bound for an asteroid known as Kamo‘oalewa, which sits in a very strange orbit of both the earth and the sun, making it a “quasi-satellite”. Last year, scientists including Patrick Michel of the Côte d'Azur Observatory in France, published an

40:18

WHO Pandemic Agreement reached

Science In Action ·

2025/05/22

This week, 124 countries agreed at the World Health Assembly in Geneva on measures aimed at preventing a future pandemic. The agreement very strongly favours a “One Health” approach, appreciating how so many potential pathogens originate in human-animal interactions. Still to agree on the terms of how to share pathogens and information with global science and vaccine researchers, eventually the treaty will need to be signed by at least 60 countries. But can the inequity between countries of the

38:45

Vaccinating rabies’ reservoir dogs

Science In Action ·

2025/05/15

In 2015, the World Health Organisation set the goal of eradicating rabies deaths from dog-bites to “Zero by 2030”. A team at the University of Glasgow and colleagues in Tanzania have been assessing the efficacy of dog vaccination schemes for reducing the numbers of human infections over the last 20 years. As Prof Katie Hampson tells Science in Action, in rural areas especially, vaccinating dog populations does work, but you need to keep at it, and not leave patches untouched. It should be funded as

26:30

Gain-of-Function: Loss-of-Funding

Science In Action ·

2025/05/08

This week, the White House posted an executive order which details the administration’s intent to stop ‘dangerous gain-of-function research’. We talk to Gigi Gronvall, an immunologist and biosecurity expert at Johns Hopkins University who fears the timing and added bureaucracy could stop all sorts of important biosciences unnecessarily, and that the order is somewhat ideologically driven.Also, Nasa’s Juno mission has provided data on the most powerful volcanic event ever recorded, which took place

29:25

Scientists of the world unite

Science In Action ·

2025/05/01

Scientists from around the world have gathered together at the annual European Geophysical Union general assembly, to discuss current projects, working hypotheses and potential findings. There are nearly 18,000 in attendance this year and there is much to learn. AMOC – the Atlantic Meridional Overturning Circulation - brings warmth to the north and cooler waters to the south in huge volumes. Climate modellers have expressed concern for its collapse (and subsequent weather chaos) as temperatures

35:17

Wet market SARS CoV-2 origins revisited

Science In Action ·

2025/04/24

Last week, the website covid.gov looked very different, containing information on coping with covid and US research. This week it leads you to a White House webpage outlining the lab-leak hypothesis – that the pandemic was the result of dodgy lab work at the Wuhan Institute of Virology. The scientific consensus however continues to suggest a zoonotic crossover event. And a preprint recently published by Zach Hensel of ITQB NOVA (NOVA University Lisbon) and Florence Débarre of the Sorbonne, adds new

29:07

Any more for Moore’s Law?

Science In Action ·

2025/04/17

After 60 years of doubling computer complexity every two years, can Moore’s law still predict the future power of the devices we use?In 1965, electronics pioneer Gordon Moore was asked to predict the next ten years of progress with the then new-fangled silicon integrated circuits. He estimated, based on physics and manufacturing technologies then available what seemed remarkable: that every two years they would double in complexity, and halve in price, until 1975.60 years on, perhaps the even more

43:03

Researching pain, painlessly

Science In Action ·

2025/04/10

Pain, particularly chronic pain, is hard to research. New therapeutics are hard to screen for. Patients are not all the same. Sergui Pascu and colleagues at Stanford university have been growing brain samples from stem cells. Then they began connecting different samples, specialised to represent different brain regions. This week they announce their most complex “assembloid” yet, one that even reacts to hot chilli, passing a signal from the sensory neurons through to the thinking bits. The hope is

31:37

Earthquakes and the first breath of life on Earth

Science In Action ·

2025/04/03

How Myanmar’s tragic earthquake left a 500km scar on the surface of the earth in just 90 seconds. Also, more hints of a link between shingles vaccines and reduced dementia, and how earth’s first oxygen breathers seem to have evolved way before there was enough oxygen to breath.Judith Hubbard is a seismologist and earthquake analyst who has been gleaning what scientific information we can find on the tragic quake that struck Myanmar last week. There seems to be some sort of link between the herpes

28:35

Breakthrough antivirals and fresh US grant cancellations

Science In Action ·

2025/03/27

This week, after five years of research, two newly discovered antiviral molecules have been shown to combat coronaviruses. Johan Neyts of the Rega Institute for Medical Research in Leuven outlines how he hopes the new molecule developed by his team might help us deal with emerging pandemics in the future. But as the US halts all Covid related research, will drugs like these ever hit the shelves? Among the grants terminated this week by the National Institute for Health is a programme called AViDD,

28:42

Columbia cuts and "transgender mice"

Science In Action ·

2025/03/20

There is continued upheaval in US scientific institutions under the new Trump administration. This week $400 million dollars-worth of grants have been frozen at Columbia University in response to “illegal” protests on the campus. President Trump also recently accused the Biden Administration of spending $8 million dollars on "transgender mice" experiments. We talk to two scientists, Kelton Minor and Patricia Silveyra, who have been affected in different ways. Also, as the first data from the

44:56

New warnings, familiar faces, and radio pulses

Science In Action ·

2025/03/13

Five years after the WHO pandemic announcement, an H5N1 call to arms from global health leaders. Also, the oldest western European face is found, the oldest impact crater possibly identified, and strange radio signals from space maybe explained.Presenter: Roland PeaseProducer: Alex Mansfield Production Coordinator: Jana Bennett-Holesworth(Image: US To Boost Egg Imports As Prices Soar On Bird Flu. Credit: Bloomberg via Getty).

44:19

An uncertain forecast for meteorology

Science In Action ·

2025/03/06

As the new administration in the US continues to make cuts to government agencies and scientific funding, NOAA – the National Oceanic and Atmospheric Administration has been particularly trimmed. This week the professional organisation for weather forecasters – the American Meteorological Society has published a statement pleading for clemency, arguing that the whole US Weather Enterprise is at risk. It’s current president elect, veteran weather broadcaster Alan Sealls describes how it’s not just US

36:30

Asteroid 2024 YR4 crisis averted?

Science In Action ·

2025/02/27

Just two weeks ago the world learned of an asteroid that had an almost 3% chance of striking earth in less than a decade. Astronomers kept looking, and a team including Olivier Hainaut at ESO’s Very Large Telescope at Palanar, in Chile, have managed to narrow down the uncertainty such that we now know it will definitely not hit the earth. The secret of making such observations after most telescopes could no longer see it was down to the exceptionally dark skies there. But these may be under threat

36:28

Who runs science?

Science In Action ·

2025/02/20

The Lancet this week features a paper calling for a financially sustainable network of influenza labs and experts across Europe. Marion Koopmans was one of the 32 expert signatures, and she describes how Europe needs to learn some lessons from the model developed previously in the US. The ongoing worries around avian H5N1 would be a great example of why funding for that sort of frontline strategic science needs not to be reliant on ad-hoc, potentially political, funding grants.This weekend, a

36:47

Hits from space

Science In Action ·

2025/02/13

This week the recently spotted asteroid 2024 YR4 had its odds of missing us “spectacularly” slashed by 1 percentage point. Still nothing to worry about maintains Patrick Michel of the International Asteroid Warning Network, and he expects that with better tracking data in the next few months (even courtesy of the JWST) that tiny chance of collision will fall further. However, as he explains, it’s very comforting to know that we now have such a sophisticated tracking network, and even better, thanks

32:35

Earthquakes swarms and whale chart toppers

Science In Action ·

2025/02/06

The mystery swarm of small earthquakes near the island of Santorini beg for more data collection. Also, the National Oceanic and Atmospheric Administration (NOAA) in the US goes offline and whales learn song like kids learn language.Presenter: Roland PeaseProducer: Alex Mansfield Production co-ordinator: Josie Hardy(Photo: Greece earthquake. Credit: AFP)

40:41

Make science great again

Science In Action ·

2025/01/30

Nasa's OSIRIS-REx mission to collect a sample from an asteroid has been a great success. Asteroid Bennu's sample yields a watery pool of history, thanks to an international team of scientists including the London Natural History Museum's Sarah Russell. Also, in a week of tumultuous changes to federal funding and programmes, we hear from some US scientists affected and concerned by Executive Orders from the White House. Betsy Southwood, formerly of the Environmental Protection Agency, is worried not

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