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How the Octopus Redefines Intelligence

A science feature exploring what octopus intelligence reveals about the nature of minds.

C1 Mock Tests1 lessons

Biodiversity Loss and Economic Valuation of Ecosystems

An environmental economics discourse on valuing natural carbon sinks, wetlands, and pollination.

Unit 101 lessons

Migrating Humpback Whales

A report on the long yearly migration of humpback whales and what scientists are learning from it.

Unit 111 lessons

How Plants Turn Sunlight into Food

A detailed explanation of photosynthesis and why every living creature depends on it.

Unit 151 lessons

How Animals Adapt to Survive

A listening about evolution and the clever ways animals and plants adapt to their changing environments.

Unit 161 lessons

Creatures of the Deep Ocean

A listening about the dark, high-pressure world of the deep ocean and the strange life found there.

Unit 201 lessons

What DNA Tells Scientists

A talk about how DNA helps scientists understand living things.

Unit 211 lessons

The Hidden World of Deep Sea Creatures

A talk about the strange creatures that live in the deepest parts of the ocean.

Unit 251 lessons

How Vaccines Changed Human History

A talk about the discovery of vaccination and its impact on world health.

Unit 261 lessons

The Vanishing World of Coral Reefs

A talk about coral bleaching and the efforts to save the world's reefs.

Unit 42 lessons

Weather and Climate

A radio interviewer asks a climate researcher to explain the difference between weather and climate and why the planet is warming.

The Secret Life of Plants

A botanical lecture explores how plants make food, communicate, defend themselves, and respond to their surroundings.

Unit 52 lessons

Animal Survival Strategies

A nature documentary script examines the ingenious ways animals hide, migrate, hibernate, and cooperate in order to survive.