Seven days: 3?9 February 2012
The week in science: hope for drilling breakthrough to Antarctic lake; AstraZeneca?s neuroscience cuts; and how land-grabs threaten Africa?s sustainable development.
Human experiments: First, do harm
In the 1940s, US doctors deliberately infected thousands of Guatemalans with venereal diseases. The wound is still raw.
Drug bests cystic-fibrosis mutation
First treatment to tackle protein behind the disease wins approval ? but only a small fraction of patients will benefit.
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