Â鶹ԼÅÄ

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

How Mesoamericans put the Bounce into Rubber Balls first

Ancient Mesoamericans and their sacred ball games played with bouncing rubber balls

• 24 mins

Rosetta space craft will tail a Comet

Scientists are sending Rosetta to tail a comet through space for two years

• 23 mins

Will this Study be a breakthrough for Alzheimer's disease?

Is there a treatment in sight for Alzheimer's Disease?

• 24 mins

The future of Genetically Modified Trees

Will "new improved" genetically modified trees help feed the world and fuel industry?

• 23 mins

Chandra X-ray Observatory tunes into big Cosmic Events

Chandra X-ray Observatory is launched to record the most violent events in the universe

• 23 mins

What this Lunar Crash Landing might reveal

Lunar Prospector is about to be crashed into the Moon

• 23 mins

Oxygen from the Primeval Slime

Cyanobacteria were at work 2.5 billion years ago, making oxygen

• 23 mins

Total Eclipse visible from UK to Bay of Bengal

Excitement in the eclipse's zone of totality

• 23 mins

A Plant Gene to overcome salty Soil

A gene for salt tolerance could enable crops to grow on irrigated land with salt build-up

• 24 mins

What's that Insect eating Everything in Sight?

Why farmers everywhere need the services of insect taxonomists

• 23 mins

Why do some People lose out on Sleep?

What causes disordered sleep patterns?

• 23 mins

British Association's Festival of Science in Sheffield

Sampling the offerings at the British Association's Festival of Science

• 23 mins

Who owns our Genes?

Who owns the human genes in samples held in laboratories worldwide?

• 23 mins

Engineering lessons from Earthquakes

Engineers will visit Taiwan to study the aftermath of this week's earthquake

• 24 mins

How do Animals reach the right Size?

Discovery of a gene that regulates cell size and growth rate in animals

• 23 mins