成人快手

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

Cosmic fireworks

NASA scientists have observed a series of gamma ray bursts

• 27 mins

Out of Africa

The out-of-Africa theory, evidence that all non-Africans had a common ancestor

• 27 mins

Gene therapy - hope to hype

Has progress on the development of gene therapy stalled?

• 27 mins

Building Stonehenge

A report on how Stonehenge may have been built earlier than had been at first thought

• 27 mins

Prion Proteins

German scientists have discovered how abnormal prion proteins could lead to brain damage

• 27 mins

Domestic duties in Space

Training astronauts in domestic duties aboard a space shuttle

• 27 mins

Traditional and non-traditional materials

From traditional bamboo to commercial material, and the latest metal that is untouchable

• 27 mins

Life in a box versus life in space

Can life be made to survive in a box, the programme looks at the Ecotron project

• 27 mins

Chernobyl - ten years on

A report on the effects of radiation on people's DNA, 10 years after Chernobyl

• 28 mins

Ultrasound scanning

The insights afforded by the use of ultrasound scans on an unborn foetus

• 27 mins

European space mapping

The European Space Agency approves a satellite to map cosmic microwaves

• 27 mins

Allergies

A new strategy for tackling all allergies

• 27 mins

Natural selection and healing

How the theory of natural selection is becoming important in healing

• 27 mins

Programmed cell death

Scientists are learning more about the process of programmed cell death

• 26 mins