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Listeners' Questions Answered

Special programme dedicated to answering questions from listeners

• 22 mins

Highest electricity Generator on Earth

The highest tower in the world will also be the highest electricity generator

• 22 mins

Deadly Poison Ricin discovered in London

Bioterrorism fears after deadly poison ricin is discovered in London

• 23 mins

Gene-by-Gene Guide to a Nematode

What each gene does – the first functional analysis of an organism's genome

• 23 mins

A Dinosaur with four Feathery Legs

A chicken-size dinosaur from China had feathers on all four legs

• 23 mins

More Volcanoes found to be Active

Four Chilean volcanoes are unexpectely reclassified as "active"

• 23 mins

The Future of Space Travel after Columbia Shuttle Disaster

The future of space research after the loss of shuttle Columbia this week

• 23 mins

What did the Beginning of the Universe look like?

Capturing an image of the very earliest days of our Universe.

• 23 mins

Scientists and Self-censorship

Are some scientific findings too sensitive to publish at a time of terrorist threat?

• 23 mins

Aids Vaccine Trial fails

Disappointment over failure of Aids vaccine trial

• 23 mins

What's the Difference between Man and Chimpanzee?

Humans and chimpanzees are different because human DNA has been rearranged in chunks

• 23 mins

Seti Project harnesses Home Computers

Millions of people join in search for extraterrestrial life

• 23 mins

Does Monkeys' immune Response hold the key to HIV?

How primates deal with SIV could teach us about HIV

• 23 mins

The race to identify the Sars Virus

The virus detectives who are on the case of the SARS coronavirus

• 23 mins

Has Genetics really revolutionised Agriculture and Medicine yet?

Genetic engineering – improving lives or making companies richer?

• 22 mins

What are the Consequences of making Eggs?

Making eggs from stem cells could raise ethical and legal problems

• 22 mins

Understanding the Mosquito's Defences

Gene for insecticide resistance in mosquitos identified

• 22 mins

Overfishing could soon cause Extinctions

Only 10% of world's large fish stocks remain, warns new report

• 22 mins

How Video Games can be Good for You

Improve your multi-tasking and visual skills with video games

• 22 mins

Should Museums return ancestral Human Remains?

Requests for repatriation of human remains from scientific collections raise concerns

• 22 mins

Flight or Fight?

How the brain's amygdala helps us recognise danger and respond

• 22 mins

Secrets of the Y Chromosome

New map of the Y chromosome shows it carries more genes than expected

• 22 mins

'Child Mortality should be a Global Concern'

How and why 10 million children die unnecessarily each year

• 22 mins

New Recipe for Cleaner Fuel

Beds of recyclable zeolite crystals can be used to eliminate sulphur compounds from fuels

• 22 mins

Did we all start from this Single Cell?

Proteins show that choanoflagellates could be our closest single-cell ancestor

• 22 mins

The role of Frog Eggs in Stem Cell Research

Frog eggs could help scientists facing restrictions on use of human embryonic stem cells

• 22 mins

Is the Ozone Layer on the mend?

First evidence that the ozone layer might be healing

• 22 mins

Astronomers ignite Climate Change Controversy

Paper on global warming causes academic and political controversy

• 22 mins

The state of Coral Reefs

Study of 40,000 years of coral reefs connects their decline to human intervention

• 22 mins

Ancient Chinese Drug used in Battle against Malaria

How do artemisinins, known to Chinese medicine, act against malaria?

• 22 mins