AIDs in South Africa

South Africa had 0.06% of the world's population but had 10% of the world's HIV cases

• 23 mins

Life on Mars

Answering listener's questions such as what is the significance of water on Mars?

• 11 mins

The Biotechnology Goldrush

Should human DNA be patented?

• 23 mins

Domestic Pollution

The health problems and pollution caused by the burning of wood, coal and animal dung

• 10 mins

Air Transport Safety

A look at the engineering that makes flying the least dangerous way to travel

• 11 mins

HIV - Polio Vaccine Theory

Did HIV pass from chimpanzees to humans after polio vaccine tests in Africa?

• 11 mins

Scientific Endeavour in South Africa

South Africa's scientific endeavours to help solve poverty, poor housing and disease

• 12 mins

Baia Mare Goldmine Environmental Spill

When mining sewage sent cyanide and heavy metal pollutants into the Someş and Tisza rivers

• 23 mins

The Legacy of Abandoned Mines

Subsidence, leaking gas and polluted water - the adverse impact of abandoned mines

• 12 mins

Thalidomide

The benefits of thalidomide to to treat leprosy, AIDs, cancer and eye conditions

• 24 mins

Mayak Nuclear Reprocessing Plant

Radioactive waste released into the environment continues to affect people living nearby

• 24 mins

Edible Vaccines

Molecular biologist Charles Arntzen on developing vaccines in fruit and vegetables

• 11 mins

Being in Space

Michael Foale on being in space, weightlessness and surviving a space accident on Mir

• 12 mins

Global Conservation Policy

Discussion on conservation, biodiversity and saving endangered species

• 23 mins

High Tech Textiles

Discussion on the advances in physics, chemistry and electronics to create new fabrics

• 11 mins

Geology in Skaergaard

The geological importance of Skaergaard in Greenland and an explanation of its structures

• 22 mins

The Impact of Overfishing

How has overfishing happened?

• 11 mins

Insects' Immune Systems

Highly successful creatures that account for 75% of all known species of animals on Earth

• 11 mins

Circumcision and HIV

How and why circumcision affects rates of HIV infection among men in Africa

• 23 mins

Working with Ancient DNA

The benefits of studying DNA from mammoths, plague victims and chimpanzee faeces

• 11 mins

Variant CJD and BSE

Discussion on Variant Creutzfeldt-Jakob Disease and BSE. Is it a worldwide problem?

• 24 mins

The Impact of Large-scale Burning of Vegetation

Jean-Marie Grégoire talks about how clearing land with fire contributes to global warming

• 11 mins

Depleted Uranium Weapons

Are weapons containing depleted uranium safe for soldiers working with them?

• 23 mins

Y2K Bug

Did we need to spend so much time and money on dealing with the Y2K millennium bug?

• 23 mins

Trust in Science

Discussion on the factors influencing the trust people have in science and scientists

• 23 mins

Foot and Mouth Disease

How does foot and mouth disease affect wildlife and domestic animals around the world?

• 23 mins

Human Evolution

Could humans have developed from homo erectus simultaneously in Africa, Asia and Europe?

• 23 mins

Deep Vein Thrombosis

The medical evidence for the link between DVT and long haul flight

• 24 mins

Alder Hey Hospital Scandal

Discussion on the ethnics of keeping the organs of the deceased for medical research

• 24 mins

Human Genome Project Findings

First broadcast in 2001. Humans have 26,000 to 30,000 genes - only 300 more than a mouse

• 23 mins