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How much of a risk is space junk?

Also, sex before sport and how oceans influence how hot it is.

• 28 mins

Going for gold

Turning e-waste into jewellery and the genetics of a gold medal Olympian.

• 28 mins

Beavers of London

As beaver kits arrive in London, we ask if we should bring wilderness back to UK cities.

• 28 mins

Why aren鈥檛 we eating more insects?

We try some cricket tacos 鈥� and ask what role insects might play in our future diets.

• 27 mins

Predicting everything

Also, the latest on Alzheimer's drugs and how we work out Paralympic classifications.

• 30 mins

The Grenfell cladding

Why was the Grenfell Tower cladding so dangerous?

• 28 mins

The first civilian spacewalk

Also, the science of what we do with our nuclear waste and why.

• 27 mins

Is lab-grown meat the future of food?

From how it's made to farmers' perceptions, a deep dive into the edible innovation.

• 27 mins

How green is space travel?

We discuss whether a boom in space travel could be a problem for Earth鈥檚 climate.

• 28 mins

Could coal shut-down mark new era for energy?

What difference will closure of the UK鈥檚 last coal-fired power station make?

• 28 mins

Should we bring back extinct animals?

A US company claims it will bring back a woolly mammoth by 2028 鈥� how and why?

• 28 mins

Are our carbon sinks failing?

What鈥檚 happening to our carbon sinks?

• 28 mins

Whatever happened to graphene?

Twenty years on from the discovery of wonder material graphene, is it changing the world?

• 28 mins

Spooky Science

It鈥檚 our Halloween special, featuring blood-sucking leeches, the undead and pumpkin waste.

• 28 mins

COP29: Are climate summits working?

What is the point of UN climate conferences, and are they really doing enough?

• 28 mins

Nuclear medicine shortages and Jane Goodall on COP29

What are medical isotopes and why are we short of them? And we chat to Jane Goodall.

• 28 mins

The climate cost of war

What is the climate impact of conflicts around the world?

• 27 mins

Is flood forecasting failing?

We find out how flooding is forecast 鈥� and ask what went wrong in the recent UK floods.

• 28 mins

Fact-checking the Bovaer backlash

How is cow feed additive Bovaer tackling methane from burpy cows 鈥� and is it safe?

• 28 mins

The rising threat of bird flu

How close is a bird flu pandemic? We explore a year of changes in this concerning virus.

• 28 mins

The Year in Science

What were 2024鈥檚 biggest science moments?

• 28 mins

Board Game Science

This festive season we unravel the science of games - and, of course, play some ourselves.

• 28 mins

The Science of Laughter

A presenter, a comedian and a neuroscientist walk into a tent in Wales...

• 28 mins

Science in 2025

What will happen in science this year?

• 28 mins

UK AI & science-optimised pasta

The positives and pitfalls of AI in medicine and a pasta recipe with added physics.

• 28 mins

Next-gen batteries and 'dark oxygen'

Is it time to replace the little chemical factories in our pockets with something better?

• 30 mins

Is 1.5 still alive?

And new clues about how life on Earth began from a dusty old space rock.

• 28 mins

The World鈥檚 Biggest Iceberg

And what does locking up a load of radioactive waste have in common with baking a cake?

• 28 mins

US science in chaos

The United States is the world鈥檚 science superpower. But is their role under threat?

• 28 mins

Biotech Risks and Asteroid Anxiety

An asteroid is heading in our direction. Will hit us in 2032?

• 30 mins