Waste not, want not

In 2025, Russian-born scientist Kseniia Petrova picked up some spliced frog embryos from a laboratory in France and brought them back to the USA to aid her research into ageing and cancer. She was detained by the United States Immigration and Customs Enforcement (ICE), charged wi ...  Show more

This month, India began the immense undertaking of surveying its population of 1.4 billion people in the world’s largest ever census. Inspired by this huge task, the Unexpected Elements team explores some population science. First, counting – or miscounting – populations. The glo ...  Show more

As the UN tries to get a global agreement on plastic waste we hear from two delegates at the conference in Ottawa; John Chweya, a Kenyan waste picker, and plastics scientist, Steve Fletcher, discuss the impacts of plastic pollution and the possible solutions. Taylor Swift’s new a ...  Show more

Listener Paula from Kenya is a computer scientist, she can’t help but notice the inequality in her workplace.

With only 1 in 10 countries having female heads of state, there is no doubt that men are in charge.

Paula wants to know if there is any scientific under ...

Marnie Chesterton and guests mull over the saga of an AI engineer who believes his chatbot is sentient. Also, climate scientists propose a major leap in earth system modelling, that might cost £250m a year but would bring our predictive power from 100 km to 1km. And the story of ...  Show more

An outbreak of pathogenic bird flu, H5N1, in a Spanish mink farm could be a cause for concern. Some experts fear the virus may now spill over to other mammals without strict surveillance. Marion Koopmans, professor of virology at Erasmus Medical Centre, talks Roland through the p ...  Show more