主播大秀

On The Black Sea

On the Black Sea: Sailors of Sevastopol

The Crimean coast, where Russia meets Turkey, is a region of great strategic importance

• 26 mins

Stargazing

Stargazing: Copernicus' Heavenly Spheres

How the astronomer Nicolaus Copernicus revealed the true model of the universe: 1/5

• 26 mins

Stargazing

Stargazing: Astronomy from the Edge of the World

ALMA, the remote observatory in Chile, tracks the 'radio sky': 2/5

• 26 mins

Stargazing

Stargazing: A New Vision of Our Cosmic Origins

The James Webb Space Telescope: its journey to discover how our universe came to be. 3/5

• 23 mins

Stargazing

Stargazing: Faith versus Science in Hawaii

The proposed Thirty Metre Telescope on sacred mount Mauna Kea that's causing a rift: 4/5

• 26 mins

Stargazing

Stargazing: South Africa's New Generation Astronomers

The scientist running the Square Kilometre Array, the world's biggest telescope: 5/5

• 26 mins

Making it Work

Making it Work: Affordable Medical Equipment in India

1/4 New mini-series. The reality of being an entrepreneur serving 鈥渢he bottom billion鈥�

• 26 mins

Making it Work

Making it Work: Rugged Tablets for African Schools

2/4 Start-ups who are innovating products in Kenya and India

• 26 mins

Making it Work

Making it Work: Navigating Kenya's Streets with Technology

3/4 OkHi is a navigation device which allows you to find an address, however remote

• 26 mins

Making it Work

Making it Work: Agriculture in India and Kenya

4/4 Entrepreneurs coming up with innovative solutions for agriculture in India and Kenya

• 26 mins

America, Laboratory of Democracy

America, Laboratory of Democracy: Drowning Government in a Bathtub

1/4 How America became the world鈥檚 first big democracy and the limits of its constitution

• 26 mins

America, Laboratory of Democracy

America, Laboratory of Democracy: Money -the Lifeblood of American Democracy

2/4 How money became an important feature in American politics

• 26 mins

America, Laboratory of Democracy

America, Laboratory of Democracy: Little Leviathans

The 1924 Scopes Trial that banned the teaching of Charles Darwins' evolution in Tennessee

• 26 mins

America, Laboratory of Democracy

America Laboratory of Democracy: Insurgent Nation

The insurgent popular movements that changed America's democracy

• 26 mins

Ocean Stories

Ocean Stories: The Atlantic

The fishing communities living and working along the shores of the Atlantic

• 26 mins

Ocean Stories

Ocean Stories: The Indian Ocean

Deep sea exploration of the Indian Ocean and the people making a living from the sea

• 26 mins

Ocean Stories

Ocean Stories: The Arctic and Southern Oceans

The melting ice is changing the sea's composition completely

• 26 mins

Ocean Stories

Ocean Stories: The Pacific Ocean

Tourism brings opportunity to the Solomon Islands and the Philippines but at what cost?

• 26 mins

What Happened Next

What Happened Next: The Japanese Tsunami, 2011

How did people rebuild their lives after the devastating Japanese tsunami of 2011?

• 26 mins

What Happened Next

What Happened Next: Rana Plaza

Four years on since the collapse of the Rana Plaza has anything changed in Bangladesh?

• 26 mins

What Happened Next

What Happened Next: Ebola

The Ebola outbreak in West Africa and the challenges of bringing the disease in control

• 26 mins

Living on the Edge

Sea Levels Rise

Moving on from uninhabitable land and building state-of-the-art sea defences

• 26 mins

Living on the Edge

Encroaching Deserts

Yin Yuzhen has planted a million trees in 70,000 hectares of desert

• 26 mins

Living on the Edge

Glaciers

Fresh ideas to stop the damage caused by melting glaciers

• 26 mins

Living on the Edge

Dams

Meet the communities living in the shadow of hydro-electric dams

• 26 mins

Abortion in America

Abortion in America: Texas

Could abortion be banned in the USA?

• 26 mins

Abortion in America

Abortion in America: Kentucky

In Kentucky a legal case is under way aimed at closing the last clinic for abortions

• 26 mins

Abortion in America

Abortion in America: Washington

In the US Supreme Court nine judges hear the latest major abortion case

• 26 mins

The Future of English

From Language to Algorithm

How is the 21st Century transforming English - the world鈥檚 most widely used language?

• 26 mins

The Future of English

Dialects and Evolution

How is the 21st Century transforming English - the world鈥檚 most widely used language

• 26 mins