Podcast Episodes

Is there micro-life on Mars?

Modern Martian hunting involves looking for the tiniest evidence of life. But when presenter Marnie Chesterton found out that a scientist she was mea…

9 years, 8 months ago

Can we be too clean?

To be healthy you need to be clean – or so we’ve thought throughout human history.

The dazzling array of antibacterial products that exploded onto the…

9 years, 8 months ago

Could Humanity be Wiped out Like the Dinosaurs?

Is there a killer asteroid with Earth’s name on it? The dinosaurs ruled for many millions of years before coming to their violent end. Will humanity …

9 years, 8 months ago

Wave Power

Why can't we use energy from the waves of the sea to create all the electricity that we need? Listener Michael in Kingston, Jamaica wants to know. Li…

9 years, 8 months ago

Does it Pay to be Nice?

Most of us want to be nice. But is it all it's cracked up to be? It's a question that's been nagging at listener Tony in Illinois, USA, for over 25 y…

9 years, 9 months ago

The Fourth Dimension

How would a fourth dimensional being appear to humans?

"It would look just weird" is one way to answer the question 'How would a fourth dimensional be…

9 years, 9 months ago

How Bad is Flying for the Planet?

What effect does air travel have on the climate? That is the question listener Neil sent CrowdScience from New Zealand. If you have ever looked up a…

9 years, 9 months ago

The Origin of Viruses

Where did the first viruses come from? They have the potential to wipe out life on Earth. But could life on Earth itself have evolved from the first …

9 years, 9 months ago

Home Power Storage

How much electric energy storage would it take to run the average home for 24 hours? Also: When will it be economical to locally store several days o…

9 years, 10 months ago

The Edge of Space

What do scientists think is outside our universe? Asks Rebecca Standridge from San Francisco in the US.

It’s a question which goes right to the limit…

9 years, 10 months ago