DNA has become a sacred entity - the modern equivalent of the Christian soul, an individual's essence, writes Dickenson.
12 May 2013 11:24 GMT | Health, US & Canada, United States
Sixty years ago, US medical researchers intentionally infected hundreds of people in Guatemala with syphilis.
06 Nov 2011 10:17 GMT | Health, US & Canada, Latin America, Niger, Nigeria
As egg sales, IVF and surrogacy become more common and commercial, a conflict arises between social justice and profit.
30 May 2011 15:44 GMT | US & Canada, France, India, Spain, United Kingdom
How a new ultrasound treatment allows surgery without scalpels for those suffering from an "essential tremor".
Health, Science & Technology, United States
Al Jazeera tells the story of the caliphate providing a fascinating insight into past empires and present-day politics.
What is the true price of gold? We investigate the devastating impact of illegal gold mining in the rainforests of Peru.
Science & Technology, Peru, Environment
A look at one of the most controversial walls in the world today.
Middle East, Palestine, Occupied West Bank