Podcast Episodes

How should we protect our coastlines?

Coastlines around the world are changing, causing serious problems for the many communities living near the sea, as well as vital and fragile coastal…

2 years, 1 month ago

Are our coastlines being washed away?

Around the world, coastlines are constantly changing due to the power of waves, currents and tides. Coastal areas are also some of the most heavily p…

2 years, 1 month ago

How do my ears sense direction?

How do we know where a sound is coming from?

Another chance to hear this ear-opening episode, exploring a question from CrowdScience listener Chilets…

2 years, 1 month ago

How many people have ever existed?

Today there are over eight billion people on Earth. That’s an awe-inspiring figure… but how does it compare to the vast numbers who came before us? L…

2 years, 1 month ago

Could climate change lead to more volcanic eruptions?

We spend a lot of our time thinking about climate change, but listener Paul has a question that isn’t usually part of the conversation. He wants to k…

2 years, 2 months ago

Do animals have anxious habits like us?

Many of us have habits that calm us down in times of stress. Things we find deeply comforting, like sucking our thumb or biting our nails. We might n…

2 years, 2 months ago

Is the BMI fatphobic?

Crowd Science listener Maik wants to know what the BMI is and what his BMI score says about his body. He trains dogs for a living and wonders if, lik…

2 years, 2 months ago

Do we all see the same colour?

CrowdScience listener Gregory wants to know what affects the way we see the colours of the world. He was looking at a blue summer sky with a friend a…

2 years, 2 months ago

How bad is our data for the planet?

Storing your data in ‘the cloud’ might sound like an ethereal, intangible place, but it’s actually a physical location - a data centre. CrowdScience …

2 years, 2 months ago

Why do we have wisdom teeth?

Why do humans have wisdom teeth if so many of them get removed soon after they appear?

Wisdom teeth, the third molars in the back of our mouths, are s…

2 years, 3 months ago