Ancient dung and the key to life on Earth

Droppings of fossilised faeces in Scotland point to the first signs of life on Earth

• 27 mins

The shrinking transistor

The shrinking of the transistor, or Moore's Law

• 28 mins

Princeton University

Report from Princeton University, New Jersey

• 28 mins

Brazil - the rainforest

The programme follows a biological survey of the Brazilian rainforest

• 23 mins

The fish with fingers

New evolutionary theories on finger and toe development

• 28 mins

Disposable electronics

Why electronics may no-longer be just silicon based

• 28 mins

Bush babies

The discovery of 17 species of bush babies in Africa

• 29 mins

The nerves of mummies

A look at the study of the nerves of ancient mummies

• 28 mins

Ancient Roman letters home

How some letters to home from Roman soldiers are finally being read

• 28 mins

AAAS anniversary

The 150th anniversary meeting of the American Association for the Advancement of Science

• 28 mins

Sagittarius - the hidden dwarf galaxy

The discovery of a dwarf galaxy at the middle of our own Milky Way

• 28 mins

Expanding the Milky Way

A journey to the centre of our galaxy using infrared light

• 28 mins

Antarctic research

Oceanographer Dr Tim Jickells on an Antarctic research expedition

• 28 mins

Total eclipse of the Sun

An eclipse of the sun viewed from Aruba in the Caribbean

• 28 mins

The brains of astronauts

Inside the brains of astronauts and dolphins

• 28 mins

TRACE - Chasing the Sun

A new US solar observing satellite which will explore the Sun's outer rim

• 28 mins

The dangers of fruit sugars

Too much fruit sugar could be damaging vital body proteins such as collagen

• 28 mins

The Infrared Space Observatory

The Infrared Space Observatory or ISO, an astronomer's dream

• 28 mins

Montserrat's volcano

The Montserrat volcano eruption

• 28 mins

Sickle-cell disease in Ghana

Report from a children's ward in Ghana and sickle cell disease

• 28 mins

Dark matter

Dark matter - have astronomers witnessed its existence?

• 28 mins

Atom smashing

A brief history of atom smashing

• 28 mins

Treating Thalassaemia

A report on the progress being made to treat thalassaemia

• 29 mins

Fertility

A report on IVF and fertility

• 28 mins

Hydrates under the sea

Hidden treasures under the sea, gas hydrates which form a solid under water

• 28 mins

The inner ear clue to deafness

Research into deafness and its genetic causes

• 28 mins

The end of Syphilis?

A report on syphilis and the tinnitus which is one of its major symptoms

• 28 mins

Tsetse flies

Tsetse flies and how scientists are hoping to eradicate them

• 28 mins

Beeches Pit

A discussion with Dr. John Gowlett and archaeologists working at Beeches Pit in England

• 28 mins

The Priomordial Slime

A look back to 400 million years ago when algae learnt to reproduce out of water

• 28 mins