Does catching covid give you more immunity th...

From the number of women in space and transistors on a chip to social media usage -we’re taking a look back the key numerical moments of 2025. We explore the woes of a big infrastructure projects. Plus, just how can you make sure your New Year’s Resolutions are successful? We’ve ...  Show more

We look back at some stand out numbers of 2025. How significant were Trump’s import tariffs? China sets the pace for solar power installation across the globe. We also look upwards to a particularly speedy comet - 3i Atlas.Presenter: Tim Harford Producers: Charlotte McDonald and ...  Show more

Researchers around the world are racing to develop a vaccine against Covid-19, with more than 170 candidate vaccines now in development. Most vaccines take years of testing and additional time to produce at scale, but scientists are hoping to develop a coronavirus vaccine at reco ...  Show more

The flu shot changes every year. But why is the flu special, if other illnesses have much longer-lasting vaccines? This episode takes us into the world of viruses and immunity.

We released this episode about flu vaccines last year but we wanted to share it with you agai ...

Nothing makes sense. “The Delta variant” canard doesn’t explain how the virus is now much worse than ever before when nearly every adult is vaccinated in a lot of areas getting hit hard. Today, we are joined by Dr. Lynn (pseudonym), associate medical director of America’s Frontli ...  Show more

It’s more than a year since the first vaccine was administered and since then more than 10 billion doses have been given out around the world. But across Africa, only 11% of people have been vaccinated against Covid-19. In some countries – Mauritius, Morocco and Rwanda for exampl ...  Show more