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Season 64
January 2, 2025

Season 64

New hosts Sarika Cullis-Suzuki and Anthony Morgan take on The Nature of Things, the world's longest-running science documentary series.

01. Teenager

The science of adolescence: understanding this dramatic, mysterious and critically important phase of life, for humans and other animals.

44min
January 2, 2025

02. Sweat!

As global temperatures rise, Anthony Morgan investigates the human body's natural cooling system; he examines sweat, an often underappreciated bodily function and its crucial role.

44min
January 9, 2025

03. Foodspiracy

Sarika Cullis-Suzuki and Anthony Morgan study ultra-processed foods; they examine why these foods are appealing; they investigate the health effects.

44min
January 16, 2025

04. Shared Planet: Cities

From New York to Kolkata, there are surprising benefits to us that come from sharing space with the wildlife in our cities.

44min
January 23, 2025

05. Shared Planet: Open Spaces

Grasslands account for half of the total land area on the planet and most have been converted for human use; there are some places though where people and wildlife can both prosper by sharing space.

44min
January 30, 2025

06. Shared Planet: Waters

Water provides the largest habitat on Earth, but water-dependent wildlife is declining fast. Learning to share these watery worlds can offer a brighter future for the entire planet.

44min
February 6, 2025

07. Shared Planet: Forests

Forests are essential for life on our planet, but humans are cutting more down every year; these inspiring people are reshaping how we live and work in Earth's forests, sharing space with wildlife.

44min
February 13, 2025

08. The Secret Knowledge of Animals

From goats that can sense upcoming volcanic eruptions to birds that know how to avoid tsunamis and cyclones, scientists are using wearable technology to tap into the "secret knowledge" of animals.

44min
February 20, 2025

09. Singing Back the Buffalo

A richly visual and deeply uplifting story of humanity’s connections to buffalo how their return to the Great Plains can usher in a new era of sustainability and balance.

44min
March 5, 2025

10. Dances with Cranes

A year in the life of whooping cranes, and the humans saving them from extinction.

44min
March 13, 2025

11. Plastic People

Microplastics are everywhere. Sarika Cullis-Suzuki joins science journalist Ziya Tong for an investigation into our addiction to plastic and the growing threat of microplastics on human health.

44min
March 20, 2025

12. Animal Pride

This is nature's coming out story. Connel Bradwell challenges mainstream biology's blindspots and explores the true diversity of gender and sexuality in nature.

44min
May 28, 2025

13. Dad Bods

Science is revealing the truth about 'dad bods' and how having a child can dramatically affect the brains and bodies of men. Real dad bods are less about the pudge and more about the smarts.

44min
June 4, 2025

14. Implosion: The Titanic Sub Disaster

A dive to the Titanic. A fatal implosion. Inside the investigation to uncover the truth about the Titan's final journey.

44min
June 6, 2025