Guardian Science Weekly

Science Weekly

Alok Jha and the Guardian's science team bring you the best analysis and interviews from the worlds of science and technology.
Weekly English United Kingdom Science · Nature
775 Episodes
420 – 440

Who are Insulate Britain and what do they want?

For the past few months Insulate Britain have been blocking roads in an effort to pressure the government into sealing up the UK’s leaky, draughty housing-stock. So why are a group of eco-activists facing confrontations from angry drivers, and even risking injury, for insulation? Shivani Dave speaks to environment correspondent…
20 Oct 2021 11 min

Covid-19: v

Last week, testing at a private Covid lab in Wolverhampton was halted, after the UK Health Security Agency found tens of thousands of people may have been falsely given a negative PCR result. But since the start of September, scientists had been alerted to strange patterns in the testing data…
18 Oct 2021 13 min

The world finally has a malaria vaccine – why has it taken so long?

Last week, the World Health Organization approved the world’s first malaria vaccine. It’s been hailed as a historic breakthrough and it could save tens of thousands of lives each year. But researchers have been trying to create one for over a century – so why has it taken so long?…
14 Oct 2021 12 min

Is gene editing the future of food?

The world’s harvests are coming under increasing pressure from extreme weather events, disease and deteriorating soil health – problems that are set to get worse in the next few decades. Could one solution be to genetically edit our food to make it more resilient? With the UK’s recent announcement that…
11 Oct 2021 14 min

Covid-19: will there soon be a pill that stops us getting sick?

Last week the pharmaceutical company Merck released promising early data on a pill for Covid-19, which trials suggest halves hospitalisations and deaths. So what do we know about this experimental treatment? Madeleine Finlay talks to the Guardian’s science correspondent Hannah Devlin about whether this antiviral could be a gamechanger. And…
6 Oct 2021 11 min

CoolSculpting, Botox and fillers are on the rise – but are they safe?

Last week, supermodel Linda Evangelista posted on her Instagram page describing undergoing a procedure called CoolSculpting, claiming it has left her ‘permanently deformed’. With this, which is also known as cryolipolysis, and other non-surgical cosmetic treatments on the rise, particularly among younger people, Madeleine Finlay investigates how these procedures work,…
30 Sep 2021 20 min

Fleeing a war zone is traumatic – so is what happens next

Many asylum seekers and refugees have had to flee their homes in extremely distressing circumstances. A lucky few make it to a safe country such as the UK – but what happens next? As Britain begins its commitment to take in 20,000 people fleeing Afghanistan, we look at the psychological…
28 Sep 2021 14 min

Covid-19: how effective are face masks, really?

Since the start of the pandemic, face coverings and their ability to prevent the transmission of Covid-19 have been under constant scrutiny by scientists, politicians and the public. More than a year and a half in, what do – and don’t – we know? Madeleine Finlay speaks to Prof Cath…
22 Sep 2021 14 min

Egg-freezing just got more attractive – but is it worth it?

Earlier this month the government announced it will extend the storage limit for those freezing their egg cells from 10 to 55 years. Over the past decade there has been a rapid growth in egg freezing, reaching 2,400 cycles in 2019, and the new rules will allow more freedom in…
20 Sep 2021 14 min

Jaws made us scared of sharks but is a lack of sharks scarier?

Last week, the International Union for the Conservation of Nature (IUCN) world conservation congress took place in Marseille. Guardian biodiversity reporter Phoebe Weston was there and heard about the latest updated ‘red list’ of threatened species, which included a warning that over a third of all shark and ray species…
15 Sep 2021 12 min

Flu season: are we in for a bumpier ride this year? podcast

In a report earlier this summer, the Joint Committee on Vaccinations and Immunisations (JCVI) noted there could be a 50% increase in cases of influenza in comparison to other years. Madeleine Finlay speaks to Ian Sample about the factors at play, from weakened immunity to the expanded vaccine programme, and…
14 Sep 2021 19 min

Are third vaccines and vaccine boosters the same thing?

The Joint Committee on Vaccines and Immunisation (JCVI) is recommending that a third jab be offered to people with weakened immune systems but the programme and rollout are different to the Covid vaccine boosters expected to be discussed by the JCVI later on Thursday. Shivani Dave speaks to professor of…
9 Sep 2021 10 min

Why swearing is more complicated than you think

Recently a study from Aston University revealed that the F-word had overtaken bloody to become Britain’s most popular swear word for the first time. Shivani Dave speaks to emeritus professor of psychology Timothy Jay of Massachusetts College of Liberal Arts to find out why people swear and whether or not…
6 Sep 2021 12 min

Can we really solve the climate crisis by planting trees? (part two)

Getting trees into the ground isn’t simple. Reforestation often involves trade-offs and challenges. Phoebe Weston checks in on two projects where people are planting trees, and one where it’s not humans doing the planting at all. She and Patrick Greenfield from The age of extinction are back with two new…
1 Sep 2021 16 min

Can we really solve the climate crisis by planting trees? (part one)

In an era of divisions over the climate breakdown, tree planting seems to bring everyone together. But are there situations where tree planting can cause more harm than good? And how much can it help us counteract global heating? Patrick Greenfield leads you through the science and controversy behind the…
30 Aug 2021 18 min

Why aren’t children being vaccinated in the UK?

As back to school looms and in-person teaching returns, there is an expectation that Covid-19 cases will rise, especially among children. In the UK, the Medicines and Healthcare products Regulatory Agency (MRHA) has approved the Moderna and Pfizer vaccines for children aged 12 to 17, but they are still not…
25 Aug 2021 12 min

What should we be feeding our cats?

In mid-June this year, some brands of cat food were recalled as a precaution after a sudden increase in cases of feline pancytopenia, a rare blood disease that can be fatal. Shivani Dave speaks to Daniella Dos Santos, a practicing small animal and exotic pet vet and the senior vice-president…
23 Aug 2021 12 min

From the archive: the secret, sonic lives of narwhals

Narwhals may be shy and elusive, but they are certainly not quiet. Nicola Davis speaks to geophysicist Dr Evgeny Podolskiy about capturing the vocalisations of narwhals in an arctic fjord, and what this sonic world could tell us about the lives of these mysterious creatures. Help support our independent journalism…
18 Aug 2021 16 min

From the archive: Are alternative meats the key to a healthier life and planet?

How do protein substitutes compare with the real deal? Graihagh Jackson investigates by speaking to dietician Priya Tew, the Guardian’s Fiona Harvey and author Isabella Tree. This podcast was amended on 18 May 2019. An earlier version incorrectly claimed that vitamin B12 is also known as folate or folic acid…
16 Aug 2021 31 min
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