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PODCAST

Unexpected Elements

BBC World Service

The news you know, the science you don’t. Unexpected Elements looks beyond everyday narratives to discover a goldmine of scientific stories and connections from around the globe. From Afronauts, to why we argue, to a deep dive on animal lifespans: see the world in a new way.

science

All Episodes

65:15

The medical complexity of Covid -19

Unexpected Elements ·

2020/06/07

Autopsies show Covid 19 can affect the brain and other organs. Pathologist Mary Fowkes from the Icahn School of Medicine at Mount Sinai found the signs of stroke - unusually in young people, as well as a disruption of the immune system throughout the body.And studies of heart stem cells show these can be killed by the virus. Cell Biologist Stefanie Dimmeler from the University of Frankfurt says this finding could prove useful in providing treatment and preventative medicine.A massive research

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77:47

Brazil’s Covid chaos

Unexpected Elements ·

2020/05/31

The number of cases of Covid -19 infections in Brazil and deaths related to the pandemic may be much higher than official figures show. Testing of the living is not widespread and there are few resources for analysing the potential role of the virus as a cause of death. Virologist Fernando Spiliki gives us his bleak assessment.A remarkable study from South Africa shows just how easily the virus can spread around a hospital, with a single infected person infecting many. However the route of infection

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78:14

Loosening lockdown

Unexpected Elements ·

2020/05/17

How is Covid -19 spread? Who is most at risk and what are the circumstances under which it is most likely to be transmitted? These questions need answers for the implementation of effective and safe strategies to end lockdown. We look at what research is showing. And if you have to go back to work what’s the best way to protect yourself, how should we be using face coverings for example? There are lessons from research on fluid dynamics.Also key is reducing the rate of infection, the R number, Italy

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75:23

Covid -19 new hope from blood tests

Unexpected Elements ·

2020/05/10

Research from New York examining the blood of people who have recovered from Covid – 19 shows the majority have produced antibodies against the disease, The researchers hope to soon be able to establish whether this confers long term immunity as with more common viral infections. And Research in Berlin and London has identified biomarkers, minute signs of the disease which may help clinicians identify who is likely to develop severe symptoms and what kind of treatment they might need.Mutations have

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84:19

Ebola drug offers hope for Covid-19

Unexpected Elements ·

2020/05/03

Remdesivir a drug eventually rejected as a treatment for Ebola seems to have aided recovery in a trial with more than a thousand Covid -19 patients. Researchers are cautious but hopeful; a leading health official in the US has made comparisons with the impact of game changing drugs used to treat HIV. In contrast an organisation researching the mechanisms by which bat coronaviruses infect humans has had its funding cut following criticism from President Trump.A scheme to help manufacture ventilators

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77:08

Presidents and pandemics

Unexpected Elements ·

2020/04/26

President Trump has repeated unfounded claims that scientists created Covid-19 in a lab. Rigorous scrutiny of the genetics of the virus reveals no evidence for such a claim. And Brazil’s President Bolsonaro is at odds with his own health advisors – splitting public opinion and action over lockdown measures needed to control the virus. We also look at why Covid -19 seems to be associated with so many different symptoms, from diarrheal infections to complicating kidney disease, to heart attacks And

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49:40

Italy, getting Covid 19 under control

Unexpected Elements ·

2020/04/19

Italy is beginning its first tentative steps towards ending its lockdown. These are small steps, opening a few shops in areas where virus transmission has seen big falls. Part of the reason for this controlled strategy is that there are real concerns over a potential resurgence of the virus, Around the world there are now hundreds of trials on drug treatments for Covid 19. Results so far are mixed, with antivirals developed for Ebola and HIV showing positive signs, but antimalarial drugs, championed

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53:47

The impossibility of social distancing and even...

Unexpected Elements ·

2020/04/12

Massively over crowded Moria refugee camp on the Greek island of Lesbos has seen numbers grow from 5 to 20 thousand in a matter of months. Hundreds of people share taps and toilets, there is little chance to implement measures designed to stop the spread of covid 19. So far the camp has not been hit by the epidemic, but aid agencies fear for the most vulnerable in the camp. Covid 19 jumped from bats to humans, possibly via another wild animal. A study of zoonotic diseases has identified many other

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58:21

Covid 19 – The fightback in Africa begins

Unexpected Elements ·

2020/04/05

Nigeria has seen a small number of Covid -19 cases, largely spread amongst the most affluent, people who travel abroad, However there is concern about the potential of the virus to spread to overcrowded slum areas. In such conditions social distancing measures would be difficult to enforce. What are the alternatives? The US now has the majority of cases of the virus, New York has been heavily hit, medics have developed an app to help understand the spread of Covid 19 in the community. The

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67:03

The science of social distancing

Unexpected Elements ·

2020/03/29

The strong social distancing policies introduced by China seem to have been successful in stopping the spread of Covid 19. Without any effective drug treatments, reducing our number of contacts is the most effective way to prevent viral transmission.We also look at the similarities been policies in Russia and the US on how best to deal with the virus. In both cases there are contradictions and disagreements between medical professionals and politicians.And a warning from Polio, how vaccines may

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66:39

Covid -19, are you carrying the virus?

Unexpected Elements ·

2020/03/22

In Italy the entire population of a small town was tested for Covid 19. Of those infected, one in three people with no symptoms had the virus. And from China researchers found many people carried the virus – even before authorities there began tracking its spread. The findings suggest vulnerable people may contract the virus from those without symptoms.And we’ve news of a breakthrough - new tests looking at Covid 19 antibodies, These should help provide a picture of developing immunity to the

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67:54

Covid -19 how infectious is it really?

Unexpected Elements ·

2020/03/15

Covid- 19 cases seem to be multiplying daily and there is now a growing body of scientific evidence both on its spread and the effectiveness of measures to try and control it. We look at what’s working, what’s not and why. And we look to the potential for coronavirus drug treatments, why despite the hype there really isn’t anything round the corner.Australia’s recent fire season was intense; a new study looks back over 500 years of the weather pattern partly responsible, the Indian Ocean Dipole. The

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62:24

Australia’s fires - fuelled by climate change

Unexpected Elements ·

2020/03/08

Attributing Australia's bush fires, a major study says man-made climate change was a big driver – making the fires at least 30% worse than they would have been if natural processes were the only factors.We look at preparations for coronavirus in Africa. Although cases there are currently lower than in much of the rest of the world a major training initiative is taking place to spread awareness amongst medics across the continent.We ask why Horseshoe bats in particular carry coronaviruses, and find a

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67:52

Tracking coronavirus spread

Unexpected Elements ·

2020/03/01

The appearance of Covid -19 in Italy and Iran surprised many this week. As the virus continues to spread we look at ways to contain it.Australia’s fires have burnt around 20 percent of the countries woodlands, what are the implications for the recovery of those ecosystems?And what is the link between the world’s super rich and deforestation? Unsurprisingly it’s money.And we hear about the unexpected cooling effects of hydroelectric dams.Weather: wet, dry, cold, hot, sunny, windy or downright weird -

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59:45

Monitoring Covid-19, harvests and space junk

Unexpected Elements ·

2020/02/23

Roland Pease reports from the American Association for the Advancement of Science’s annual meeting in Seattle. At the UK Research and Innovation’s stand in the exhibition hall, he’s joined by three scientists to discuss monitoring the Coronavirus outbreak, the locusts devastating crops in East Africa and the ever increasing amount of space junk orbiting the Earth. Professor Jeffrey Shaman of the Mailman School of Public Health at Columbia University talks about how he is modelling the movement of

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65:01

CoVid-19: Mapping the outbreak

Unexpected Elements ·

2020/02/16

Researchers at the London School of Hygiene and Tropical medicine have developed an online map which presents the latest information on the spread of CoVid-19 and allows anyone to follow the outbreak and compare this data with the spread of Ebola and SARS. See the weblink from this page to try it for yourself.And the coming together of microbiology and big data science has led to the development of a portable device able to spot antibiotic resistant bacteria. This should help with more precise drug

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62:02

Coronavirus, prospects for treatment?

Unexpected Elements ·

2020/02/09

Doctors in the US have treated a coronavirus patient with a drug developed for Ebola. That drug had never been tested on people so its use here seems an extreme move. We look at why this kind of drug developed for one virus might work on another. It’s all down to the genetic material at the centre of the virus. That raises safety concerns as human cells contain similar material.East Africa is experiencing a plague of locusts and bizarrely it’s linked to the Australian wildfires. A weather pattern

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66:31

Understanding the Wuhan coronavirus

Unexpected Elements ·

2020/02/02

Parts of China are on lockdown, a small number of cases have been reported in other countries and the past week has brought widely conflicting views on the potential danger presented by the new virus. We look at the scientific facts, analyse why it’s so difficult to predict the spread of the virus, look at the nature of virus infection and discuss why treatments such as vaccines are not available. We look at why some viruses can jump from animals to humans and examine hi-tech solutions designed to

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66:47

Wuhan Coronavirus

Unexpected Elements ·

2020/01/26

The way in which a new virus has emerged in China is reminiscent of SARS, a highly infectious virus that spread rapidly. It’s so similar that Health officials demanded action as soon as its existence became known. And the Chinese authorities and global medical community have acted to try and stop the spread. Events were still developing, even as we were in the studio making this programme, new reports of suspected cases were coming in. The WHO was yet to give its view on the severity of the

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60:56

Mount Taal volcano

Unexpected Elements ·

2020/01/19

An experimental satellite called Aeolus, named after a Greek god of wind, which takes daily global measurements of the wind patterns throughout the depth of atmosphere has improved weather forecasts. ESA’s Anne-Greta Straume explains how it works. The dramatic eruption of the island volcano Taal in the Philippines was a spectacular picture of the plume of ejecta punching a hole in overlying cloud cover. Nearby towns have been blanketed with dust, fissures have appeared in the ground and there has

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