The guiding hound

How do guide dogs know where they're going?

• 27 mins

The Evidence: When will the pandemic end?

Lessons from Omicron to end the pandemic

• 50 mins

The weirdness of water, Part 1 of 2

‘Please explain the weirdness of water?’ asks Neil Morton in Stirling in Scotland.

• 27 mins

The weirdness of water, Part 2 of 2

Adam Rutherford and Hannah Fry attempt to answer more questions on why water is weird

• 27 mins

The painless heart

Why does my heart muscle not ache after exercise?

• 27 mins

The slippery situation

'What is the most slippy thing in the world?' asks 8 year old Evelyn from London.

• 27 mins

The venomous vendetta

Will a venomous snake die if it bites itself? asks Janni in Amsterdam.

• 27 mins

The Evidence: Africa, the pandemic and healthcare independence

The new momentum for vaccines, medicines and tests to be made for Africa in Africa

• 50 mins

African science, African future

Professor Tom Kariuki examines the future of science in Africa

• 27 mins

A new space age?

Could humans be on the Moon and Mars before this decade is out?

• 42 mins

Deep sea exploration

The wonders and mysteries of the deep ocean, and the potential threats to it.

• 37 mins

Tooth and claw: Spotted hyena

Professor Adam Hart resurrects the spotted hyena’s reputation, from scavenger to hunter

• 27 mins

The Evidence: Drug-resistant superbugs

The silent pandemic - drug resistant infections threaten the future of modern medicine

• 49 mins

Tooth and Claw: Venomous snakes

Adam Hart discovers why rattlesnakes make good mothers and how deadly their venom is.

• 27 mins

Tooth and Claw: Army ant

Adam Hart explores the villain of many a jungle horror movie - the army ant.

• 27 mins

Tooth and Claw: Wolves

Wolves play a dark role in our imaginations but how does the real animal compare?

• 27 mins

The Life Scientific: Shankar Balasubramanian on decoding DNA

The man who found a way to decode DNA at speed

• 27 mins

The Life Scientific: Steve Brusatte on the fall of dinosaurs and the rise of mammals

How did mammals come to dominate our planet? Prof Steve Brusatte talks to Jim Al-Khalili

• 27 mins

The Evidence: War trauma and mental health

The psychological suffering caused by the toxic stress of war and conflict

• 50 mins

Wild Inside: Jungle royalty - the Jaguar

Ben Garrod and Jess French glimpse inside three animals from the big wild world.

• 27 mins

Wild Inside: The Burmese Python

Ben Garrod and Jess French unravel the internal secrets to success of the Burmese Python

• 27 mins

Wild Inside: The Ocean Sunfish

Ben Garrod and Jess French get under the skin of Mola mola the world's largest bony fish

• 27 mins

The Mystery of the Teenage Brain

Dr Adam Rutherford and Dr Hannah Fry investigate everyday mysteries sent by listeners.

• 27 mins

The weird waves of wi-fi

We use wi-fi every day, but do you know how it works?

• 27 mins

Surprising symmetries

Two eyes, two arms, two legs - we are roughly symmetrical on the outside. Why is that?

• 27 mins

The Shocking White Hair

Dr Adam Rutherford and Dr Hannah Fry investigate everyday mysteries sent by listeners.

• 27 mins

The Evidence: The nature of mental health

Plant power and mental health. Is a nature-cure a cure-all?

• 50 mins

The Turn of the Tide

Why are tide times and ranges so different around the UK, asks Lynn?

• 27 mins

The colour conundrum

How do we see colour and why are some people colour blind?

• 27 mins

The Life Scientific: Pete Smith

Restore peat bogs to mitigate climate change and improve bio-diversity.

• 27 mins