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How Cholera Bacteria turn nasty

Cholera bacterium produces harmful toxin only when it is infected by a virus

• 27 mins

Why Don't Europeans Carry Neanderthal Genes?

Modern humans don't seem to have interbred with Neanderthals, report geneticists

• 27 mins

1,500th Edition of Science in Action

Creating elusive W particles at CERN to test particle theories

• 30 mins

Galileo's Pictures of Jupiter and its Moons

Are these the best ever pictures of Jupiter?

• 27 mins

Partial Repair of spinal Injury in Rats

Research into repairing the spinal cord with nerve fibres in rats raises hopes for humans

• 27 mins

Early Bird is 115 million years old

Spanish bird fossil is the first specimen with alulae or wing flaps for slow flight

• 27 mins

Are these the Remains of Microbes from Mars?

Nasa's claims that fossils of micro-organisms have been found in a meteorite from Mars

• 28 mins

New Report 20 Years after Seveso Disaster

Unusual sex ratio reported in births in Seveso in the first years after dioxin accident

• 27 mins

Funding Cuts Result in unsafe UK Labs, claim Scientists

Save British Science group blames unsafe university labs on government funding cuts

• 27 mins

BSE Epidemic 'will be over by 2001'

The BSE epidemic years away but the worst is already over, report Oxford researchers

• 28 mins

A Better View of the Birth of a Galaxy

The Hubble Space Telescope's new pictures show how galaxies might form

• 28 mins

New CJD Marker enables Diagnosis

New marker for Creutzfeldt-Jakob disease found in spinal fluid helps diagnosis

• 27 mins

Link between Hormone and Vulnerability to HIV

Do contraceptives containing progesterone increase the likelihood of HIV infection?

• 28 mins

Meet the Nobel Science Prize-Winners

Nobel Prizes for Medicine, Chemistry and Physics go to research from as early as 1970s

• 28 mins

Methane Hydrate from under the Sea

Large methane hydrate deposits have been discovered on the seabed off north-west USA

• 29 mins

Small Feathered Dinosaur Found in China

A bidpedal dinosaur with downy feathers on its back lived in China 135 million years ago

• 28 mins

British Support for Claims of Life on Mars

Britons find possible evidence of life on Mars in two meteorites found in the Antarctic

• 29 mins

Global Surveyor Mission to Mars Launches

New space probe sets off to map the whole of Mars and carry out experiments

• 28 mins

A Possible Common Vertebrate Ancestor

Could a tiny eel-like fossil creature be the ancestor of all vertebrates?

• 28 mins

Cluster Project could still Take Off

Costs of rebuilding Cluster project to probe the solar winds and magnetic weather in space

• 28 mins

Testing a new treatment Model for Muscular Dystrophy

A replacement found for a missing protein in muscular dystrophy in mice

• 28 mins

Turtle Highways Discovered in the Pacific Ocean

How leatherback turtles travel long distances along mysterious migration corridors

• 28 mins

Diverse Origins of Modern Man

Early human evolution involved multiple hominid species in Asia as well as Europe

• 29 mins

Science in Action Listeners' Questions

Special edition where a panel of experts answer scientific questions sent in by listeners

• 28 mins

First Wheat Harvest in Space

First wheat grown in space is tasty news for astronauts of the future

• 28 mins

Predictions of Better Weather Forecasts

Will the Atlantic storm chasers of Fastex improve our weather forecasts?

• 29 mins

Trans-Species Transplantation Ban in UK

Pig-to-human organ transplants banned by UK because of possibility of viral infections

• 28 mins

Oldest Tools made by Man's Ancestors

Preshistoric technology used to make 2.5 million-year-old stone tools found in Ethiopia

• 29 mins

Long-term Effects of Bhopal Chemical Disaster

Report on incurable long-term health effects of the Bhopal chemical disaster 12 years ago

• 29 mins

A Refit for the Hubble Space Telescope

Astronauts will install new instruments to enable Hubble to see more and deeper into space

• 28 mins