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The New Space Race - part two

A series on space exploration and how the playing field has changed

• 22 mins

Ancient Olympics - getting ready

The preparations made by athletes and authorities taking part in the ancient olympics

• 22 mins

The New Space Race - part three

A series on space exploration and how the playing field has changed

• 22 mins

The New Space Race - part four

A series on space exploration and how the playing field has changed

• 22 mins

Ancient Olympics - the games

Third in a series of programmes about the first Olympics

• 22 mins

Ancient Olympics - sport and politics

Fourth in a series of programmes on the ancient Olympic games

• 23 mins

Restoration Science - the Cutty Sark

Plans to resort the clipper ship the Cutty Sark, the fastest ship of her day

• 22 mins

Restoration Science - art

How science is helping the conservation and restoration of works of art

• 22 mins

Restoration Science - paper and parchment

Investigating the conservation of paper and parchment

• 22 mins

Restoration Science - glass

A report on the science used in glass conservation

• 22 mins

Weathering the Storm - hurricanes

Looking at the impact of hurricanes, focusing on the aftermath of Hurricane Charley

• 22 mins

Weathering the Storm - lightning

Why lightning is an unpredictable power that can cause great havoc

• 22 mins

Weathering the Storm - floods

The third in a series on the world's extreme weather looks at the impact of floods

• 22 mins

Weathering the Storm - snow and avalanches

An avalanche is a large mass of snow, which plunges down a mountainside

• 22 mins

Deep Impact - Ghana

Lake Bosumtwi is the largest natural lake in Ghana, it was created by a meteorite

• 22 mins

Lifespan - slowing the ageing process

The way creatures age and a look at whether lifespans can be extended

• 22 mins

Lifespan - a matter of life and death

Investigation into the diversity of creatures' lifespans, including the Sequoia tree

• 22 mins

The Moon

The origins of the moon - and how essential it has been to the evolution of life

• 22 mins

Life Cycles - the rhythm of life

Our heart beats, therefore we are

• 24 mins

Life Cycles - daily routine

Humans, animals, plants, even bacteria run their lives according to the passing of the day

• 22 mins

Life Cycles - time and health

How working against the body's natural body clock can cause problems

• 22 mins

World Aids Day

Journalist Hassan Arouni presents a special World Aids day programme from Malawi

• 22 mins

Inflammation - pain or panacea?

Inflammation is our body's defence against infection, but how can it be controlled?

• 22 mins

Influenza - waiting for a pandemic

Experts discuss and agree on how an influenza pandemic is imminent

• 22 mins

The Adventures of William Beebe

Exploring the exploits of the explorer and naturalist, William Beebe

• 22 mins

Cassini-Huygens Probe - running rings around Saturn

A report on the progress of one of the most ambitious interplanetary probes of our time

• 22 mins

Ionic liquids

A look at the potential of ionic liquids

• 22 mins

Cassini-Huygens - visiting Titan

The Cassini-Huygens spacecraft has been orbiting Saturn for the past six months

• 22 mins

Herbs, pills and potions - part one

A series of programmes looking the roots of medicine

• 22 mins

Herbs, pills and potions - part two

Second in a series of programmes on the origins of medicine

• 22 mins