Podcast Episodes

What time was the first clock set to?

When the first person set the very first clock, how did they know what time to set it to? This question, from listener Chris in the UK, sends CrowdSc…

2 years, 3 months ago

When will the next earthquake hit?

In 2011, CrowdScience listener Amanda survived the devastating earthquake in Christchurch, New Zealand.

It arrived unannounced - as all earthquakes do…

2 years, 3 months ago

Why do we daydream?

Have you ever been through a romantic break up, unable to shift the ex from your thoughts? You are, obviously, not alone…

Listener Elkin, experienced …

2 years, 3 months ago

How should we measure cleverness?

Presenter Marnie Chesterton and the team pit their wits against a multitude of mind-bending puzzles from an old TV gameshow - all in the name of answ…

2 years, 4 months ago

Were humans ever semi-aquatic?

What evidence is there for a semi-aquatic period in human evolutionary history? That’s the question that’s been bothering listener Dave in Thailand. …

2 years, 4 months ago

Can planting trees solve the climate crisis?

Our question this week comes from a father and his two young boys. They want to know whether it’s possible to plant enough trees to soak up all th…

2 years, 4 months ago

Will electric cars help solve noise pollution?

Noise pollution from vehicles in the public space has a huge impact on human health. But as the world switches to quieter electric-powered means of t…

2 years, 4 months ago

2023 Year End Extravaganza, Part 2

Welcome to Part 2 of our year-end extravaganza and the final episode of 2023!

We’ve had a brilliant year hunting down the answers to your science qu…

2 years, 5 months ago

2023 Year-End Extravaganza, Part 1

Welcome to Part 1 of CrowdScience’s year-end extravaganza! It’s an extra-festive episode this week. For those who celebrate it, Christmas is the perf…

2 years, 5 months ago

Are seeds alive?

Seeds are crucial to human existence – we eat them, we grow them and then we eat what they become. But what is a seed and how come it can sit there d…

2 years, 5 months ago