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Monkeys can count, naturally

Rhesus monkeys with a natural numeracy that's not learned from man

• 28 mins

The Risks of Maternal Malaria

Research into maternal malaria that affects only pregnant women

• 28 mins

The Science and Ethics of Stem Cell Culture

Culturing embryonic stem cells is a medical breakthrough and an ethical minefield

• 28 mins

Anatomy of a Meteorite Crater

An expedition to the Wabar meteroite craters in the Empty Quarter of Saudi Arabia

• 29 mins

International Space Station lifts off

Successful launch of the International Space Station's first module, now in orbit

• 28 mins

Search for an HIV vaccine gets a Boost

New HIV vaccine research programme announced for Africa

• 28 mins

How is the Cloning of Human Cells Regulated?

The ethical debate continues as new regulations about human cloning take effect in the UK

• 28 mins

What's the Speed of the Universe got to do with Everything?

Galaxies are flying apart faster than we thought but why on Earth is this important to us?

• 28 mins

In Answer to Your Questions

Listeners' questions answered by the Science in Action experts

• 28 mins

What Men really Want –Ìýand Why

Is the popular idea of men's taste in women an evolutionary response or a cultural one?

• 24 mins

Genetic Engineering and Weapons of Mass Destruction

Advances in genetic engineering could create new weapons of mass destruction

• 23 mins

Can we Predict Earthquakes?

How easy is it to predict earthquakes? Somewhere between "difficult" and "impossible"

• 23 mins

Space Mirrors that could Light up the Earth

A 25-metre giant space mirror to reflect light from the Sun back to Earth

• 23 mins

How many Fathers does a Child need?

The more fathers you have, the better your chances of survival, report anthropologists

• 23 mins

Genetically Modified Food Debate reignites in UK

Genetically modified food debate is re-ignited in Britain

• 23 mins

Making Oxygen on Mars

How DNA extracted from teeth is being used to trace the thousands of people in Argentina who have disapeared.

• 23 mins

'Eat less and live longer' is the Lab Rats' Message

Will we choose to live to eat – or eat less to live longer?

• 24 mins

A drop of Vinegar could replace the Smear Test

The acetic acid in a drop of vinegar might become the new cervical cancer screening test

• 23 mins

Who owns new Plant Genes?

The debate about regulation of plant gene ownership in Africa and Asia

• 23 mins

The Human Cloning Debate

Debating the worldwide ethics of human cloning

• 24 mins

Policing the Nuclear Test Ban Treaty

A new monitor network will be able to detect clandestine nuclear tests

• 23 mins

The biggest Bacteria in the World

Discovering the biggest bacteria in the world – so big they are visible with the naked eye

• 23 mins

Our first Meat-eating Ancestor?

A 2.5-million-year-old addition to the human family tree has been found in Ethiopia

• 22 mins

What did Dinosaurs sound like?

Cyber paeleontologists reconstruct the roars of dinosaurs using fossil measurements

• 23 mins

What should we do with the last stocks of Smallpox?

Should the two remaining stocks of smallpox be destroyed?

• 23 mins

Sleeping with the Light off is good for our Eyes

Babies who sleep with the light on may be more likely to grow up to be near-sighted

• 24 mins

Ancient Ancestors and Modern Science in Nairobi

Meeting our earliest ancestors and the Aids-immune prostitutes helping doctors in Nairobi

• 23 mins

What causes the Signs of Age?

Looking for clues to the causes of ageing at a cellular level

• 23 mins

Will Spies ever use DNA to send Messages?

Using specially-coded DNA to send secret messages

• 23 mins

Chimpanzee Groups have Traditions, too

Different behaviours are transmitted down the generations of chimpanzees in the wild

• 24 mins