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The ancestors of vertebrates

Research which suggests conodonts are the early meat-eating ancestors of vertebrate

• 28 mins

Childhood leukemia and radiation

A look at the causes of childhood leukaemia

• 28 mins

Nitric oxide - the new wonder drug

How nitric oxide, once considered poisonous, could be a future wonder drug

• 28 mins

Human history - it's all in the genes

Can human history be hidden in the genes?

• 28 mins

Repairing the brain

Report on a new centre for brain repair, which has just opened at Cambridge University

• 28 mins

Artificial body parts - the six million dollar human

Could bionic limbs emerge from science fiction to science fact?

• 28 mins

Stem cells and the brain

How medical researchers are aiming to create a brain cell bank

• 28 mins

Ants in the city

The rules that run colonies of ants and what they can teach us about cities

• 28 mins

The wonder of extremophiles

The wonder of extremophiles, micro organisms which live in extreme conditions

• 28 mins

Depression

Depression and attempts to identify the causes of it

• 27 mins

Recreating the Earth's magnetic field

How two geophysicists have recreated the Earth's core using a supercomputer

• 27 mins

The Galaxy's New Black Hole

The discovery of a new black hole, a collapsed star which can swallow light

• 27 mins

The abalone and family planning

How the abalone's evolution might help with the development of contraception

• 28 mins

The link between red hair and skin cancer

The reason why red-haired people are prone to skin cancer

• 27 mins

100 Years of X-Rays

Special edition commemorating 100 years of X-rays, discovered in 1895 by Wilhelm Rontgen

• 27 mins

Hope for an Aids vaccine

Report on a promising new clue towards a vaccine and even a treatment for Aids

• 27 mins

Scientists at MIT

Reporting from Cambridge, Massachusetts and talking to scientists who work there

• 27 mins

Space and the search for infrared

The launch of a European rocket from French Guiana

• 27 mins

Meteorites and the origin of life

Could meteorites explain the origin of life?

• 27 mins

Sprites in the sky

A report on the electrical phenomena known as sprites that appear during thunderstorms

• 27 mins

Sir John Maddox

A report on the influence of Sir John Maddox, editor of the scientific journal Nature

• 27 mins

This year's most essential science books

Experts help compile a list of science reading from texts published throughout 1995

• 27 mins

Science and a look ahead

What the year ahead might bring in science

• 27 mins

Hope for an HIV vaccine

Why a live virus is probably our best hope for a vaccine against Aids

• 27 mins

Finding the sleep switch

Sleep and the mysteries of the master switching centre of the brain

• 27 mins

A view into the past

A journey back in time with the Hubble space telescope

• 27 mins

Life on Mars

Life on Mars, in this case the form of bacteria buried beneath the surface of the planet

• 27 mins

AAAS 1996

A report from the AAAS 1996 where scientific breakthroughs are being discussed

• 28 mins

Breaking the unbreakable

Research shows quarks may be composed of even smaller particles

• 27 mins

Cancer and cachexia

Scientists believe they have found the cause of wasting in cancer and Aids patients

• 27 mins