The World, the Universe and Us

The delta variant of covid-19 has torn across India, and is making its way around the globe, forcing the extension of lockdown measures in the UK. The team explores its spread, and also digs into findings showing that “elimination countries” - those which enacted swift and extreme lockdown measures - have fared better across the board in the health, wealth and even freedom of their populations. Th...

For the first time in 18 years, a new drug for Alzheimer’s disease has been approved by the US Food and Drug Administration. This is big news because rather than just treating the symptoms, the drug targets the amyloid plaques that are thought to cause the disease. But the team explains why there are still many reasons to remain cautious. They also discuss an exciting breakthrough in our understan...

From a bat… or from a lab? It seemed the question of where SARS-CoV-2 originated had been settled, but recently it's been reignited. Amid lots of conflicting and confusing news stories, the team explores what we really know about the origins of covid-19. They then mark a historic tipping point in climate news, as three of the world’s biggest fossil fuel companies are forced to work harder and fast...

A new variant of coronavirus which originated in India is spreading rapidly. The team explains how both this new mutation and the UK variant are capable of evading vaccines, causing huge concerns for the global fight against covid-19. They also discuss whether the risks of solar geoengineering outweigh the benefits, as new research in the journal Nature Food looks at the potential impact on agricu...

When it comes to climate change, carbon dioxide usually gets the spotlight, but methane, although shorter-lived in the atmosphere, is more potent as a greenhouse gas - and levels have been mysteriously increasing. The team explains where the methane is coming from and how efforts to curb methane emissions could be important in tackling global warming. They then explore the peculiar discovery that...

Efforts to fight covid-19 won’t stop even when everyone is vaccinated. There’s a good chance we’ll need vaccine booster shots to keep on top of the disease. With Israel already planning to roll these out, and many other countries considering the same, the team explains what the booster shots will look like. They then explore the mind-melting discovery that simply by measuring time, humans are addi...

The most detailed analysis yet of global warming and sea level rise has been published. The paper’s lead author, Tamsin Edwards of King’s College London, explains that we now have a better understanding of the consequences of missing the 1.5 degrees target of the Paris Agreement. Later the team gets introspective as they learn about metacognition, and how brain scanners are now able to measure sel...

It’s been 35 years since the devastating explosion at the Chernobyl nuclear power plant. But new research shows there has been no increase in genetic mutations in people who worked to clean up the accident site, nor in their children. The team discusses communicating safety risks around radiation with the director of the Chernobyl Tissue Bank, Gerry Thomas. The team then talks about two stories in...

To mark Earth Day 2021, we’ve assembled a panel of experts to discuss climate change and biodiversity loss - “two runaway crises tightly interlinked that will mutually make each other’s effects worse”. New evidence shows 2021 really is a make-or-break year for the environment and the planet. In this episode the panel explores the disparity between our efforts to combat each issue, they explain how...

The vibrations of a spider’s web have been transformed into some spectacularly haunting pieces of music. The team shares the work of MIT researcher Markus Buehler, which gives us a glimpse into what life is like for a spider. The team then discusses new research suggesting psilocybin, the psychoactive component of magic mushrooms, might be an effective way of treating depression. The theme of soun...

Scientists tinkering around with the creation of synthetic life have taken a significant step forward. The team explains how synthetic cells could one day be implanted in humans. Alongside this is the news that researchers have used frog skin cells to create a microscopic living robot, which can heal and power itself. As levels of CO2 in the atmosphere reach a record high, the team looks at ways t...

Spring has sprung and… ACHOO!! Yep, hay fever is back with a vengeance. This week the team has some bad news for hay fever sufferers, as allergies are set to get worse (in every way imaginable) because of climate change. The team then ramps up the excitement with the news that there may be an ancient black hole sitting on the edge of our solar system, which might actually be within our reach! They...

The Large Hadron Collider might, just might, have found something that challenges the Standard Model of particle physics. The team hears why an anomaly concerning a quark could hint at a crack in our understanding of physics. They also find out whether the age-defying, rejuvenating properties of human embryos can help us reset the ageing process in adults. As the Perseverance rover has been on Mar...

We’re tantalisingly close to resuming normal life, as promising news from Israel has shown that vaccines are swinging the fight against covid-19 in our favour. But we’re not out of the woods yet - the team explains why it’s still too risky to completely lift restrictions. They also discuss great news if you love your beauty sleep! It turns out when marmots hibernate the ageing process slows down d...

This week: relief and joy for people in the US, with the news that those who’ve had two doses of vaccine will be allowed to meet up inside with friends and family. The team also discusses the exciting news about how the vaccine might help people with long covid. Things take a turn for the weird when the team explains just how little we know about reality, certainly from a quantum mechanical point...

Ever looked up at the Moon and thought “I could live there”? Well… this week we hear how Chinese researchers have managed to make an almost completely self-sustaining base on Earth which could be replicated on the lunar surface. They’re also joined by Rebecca Wragg Sykes, the author of ‘Kindred: Neanderthal Life, Love, Death and Art’, who explores new evidence suggesting the extinct humans may hav...

What could you do with a trillion dollars? Rowan Hooper tackles this question in his latest book which examines how the money could be used to safeguard the future of our planet. The team talks about raising cash through a tax on carbon, how much it would cost to protect all the world’s endangered species, and Elon Musk’s carbon capture and storage competition. Also on the show excitement mounts o...

2021 could well go down in history as the year we saved our planet… the alternative really doesn’t bear thinking about. Luckily the team brings news of a “rescue plan for nature”, with several initiatives launching this year including the UN Decade of Ecological Restoration. NASA’s Mars lander Perseverance has successfully touched down on the Red Planet. The team discusses its goals, and shares th...

Whilst we’ve been celebrating the rollout of the covid-19 vaccines, new variants of the virus have thrown a spanner in the works, and there’s a concern over the lack of vaccine availability in low-income countries. The team explores these issues and highlights the exciting developments of both a nasal vaccine and (maybe) one which can be taken in pill form. Plus... Harvard astrophysicist Avi Loeb...

By now most of us have felt or are feeling the effects of pandemic burnout. From unexplained exhaustion to emotional detachment and general uneasiness, the team explains why the pandemic is causing these feelings and offers tips on how to combat the problem. They also explain why it's critical we have a coordinated global strategy for the rollout of the covid-19 vaccine, so that poorer countries a...

A year on from the launch of our podcast, the team reflects on the news highlighted in the first ever episode, of a small outbreak of an unknown virus in Wuhan - how life has changed. The good news is vaccination programmes are being rolled out across the globe, but the bad news is new models suggest infection rates will continue to rise, even after most of us have had the jab. The team also explo...

As we continue to discover new mutant variants of the covid-19 virus, the team looks at how these will impact vaccination efforts and discuss the long-term implications of virus evolution. They also bring exciting news of a new dinosaur discovery, a sauropod that is among the biggest animals of all time. And staying with dinos, they highlight the University of Bristol’s reconstruction of dinosaur...

The coronavirus vaccines that have been approved so far all require two doses to be given 3-4 weeks apart. But the UK has chosen to delay the time between doses to 12 weeks, so it can roll out the vaccine to more people more quickly. This week the team examines whether this is the right move, and whether it’s safe. Also on the show, they explore the incredible potential that could be achieved if w...

Two fast-spreading variants of coronavirus have been discovered in the UK and South Africa. With case numbers soaring, it’s feared these variants could lead to a massive wave of new infections around the world. The team examines why the mutations allow the virus to spread more quickly, what this means for the effectiveness of covid vaccines, and whether these new variants are more deadly. Also on...

Happy New Year! This special episode previews some of the biggest science stories to keep an eye on over the coming year. Coronavirus, the story that’s defined our lives for the past year, will continue to evolve and unfold. The team digs into what life will look like as vaccinations eventually allow us to come out the other side of the pandemic. There are also several missions to Mars to look out...