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First Technology - metals

How the manipulation of metals 10,000 years ago helped our ancestors

• 23 mins

Living beyond our means

Are we asking more of nature than it can provide?

• 23 mins

Why elephants never forget

A report on how elephants use their sixth 'seismic' sense

• 23 mins

How much can we trust scientists?

Controversy over research on genetically modified maize in Mexico

• 23 mins

Strange Senses

A report on the theory that animals can sense the Earth's magnetic field

• 23 mins

Saving the brain

How advances in surgery are helping those with brain injuries or tumours

• 23 mins

Disaster Reconstruction - Turkey

A look at the reconstruction after the aftermath of the Izmit earthquake in 1999

• 23 mins

Disaster Reconstruction - London

The programme looks at how a gas explosion killed five people in Newham, east London

• 23 mins

Saving the brain - part two

Exploring cell replacement therapy to help replace dying brain cells

• 23 mins

Saving the brain - part three

How to help the versatility of the brain, by keeping mentally active

• 23 mins

Saving the brain - part four

Can the brain help heal itself after an injury or illness?

• 23 mins

Disaster Reconstruction - New York

Rebuilding the heart of New York following the 9/11 attacks

• 23 mins

Matters Of The Heart - part one

How Magnetic Resonance Imaging (MRI) has given doctors a new understanding of the heart

• 23 mins

Matters Of The Heart - part two

A report on the work of cardiologists

• 23 mins

Matters Of The Heart - part three

The issue of organ donation, can mechanical hearts replace real ones?

• 23 mins

Cholera

Why do cholera epidemics spread with such explosive and lethal rapidity?

• 23 mins

Natural Born Killers - the sand scorpion

Survival of the fittest means that wild animals often have to develop lethal skills

• 23 mins

Natural Born Killers - botulism

Botulinic toxin is one of the most powerful known toxins

• 23 mins

Natural Born Killers - Venus Fly Trap

The Venus Fly Trap (Dionaea muscipula) is the world's best-known carnivorous plant

• 23 mins

Household Chemistry - soap

The chemical ingredients of household soap

• 23 mins

Household Chemistry - face creams

The chemical ingredients of face and skin creams, how do they work?

• 23 mins

Household Chemistry - toothpaste

A look at the ingredients of toothpaste and how they encourage good oral hygiene

• 22 mins

Impossible Visions - the early universe

The technology that makes the study of the unseen possible

• 23 mins

Impossible Visions - inside the human brain

The technology that makes the study of the unseen possible

• 23 mins

Household Chemistry - bleach and detergents

The chemical ingredients included in household bleaches and detergents

• 23 mins

Mobile Phones

The rise of the mobile phone and its role in the revolution of personal communication

• 24 mins

Impossible Visions - exploring the atom

Exploring the world of the atom and the history behind its discovery

• 23 mins

What remains to be discovered - cosmology

The first programme looks outward into space and looks at what we know about the universe

• 23 mins

What remains to be discovered - the human brain

A series of programmes looking at the unanswered questions about the world around us

• 23 mins

What remains to be discovered - physics

In programme three we go back to basics and investigate the nature of matter

• 23 mins