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The Nobel Prize in Physiology or Medicine 2007 was won by Mario R. Capecchi, Martin J. Evans and Oliver Smithies for discoveries that led to the development of knockout mice.
Paul J. Crutzen shared the Nobel Prize in Chemistry 1995 with Mario J. Molina and F. Sherwood Rowland for their work on formation and decomposition of ozone.
Together with mentor Martinus J.G. Veltman, Gerardus 't Hooft's Nobel Prize in Physics 1999 was won for elucidating the quantum structure of electroweak interactions in atoms.
Peter Agre shared theNobel Prize in Chemistry 2003 with Roderick MacKinnon. Agre's half was awarded for his discovery of a water channel protein in cell membranes.
The Nobel Prize in Physics in 2004 was awarded to David J. Gross, H. David Politzer and Frank Wilczek for their discovery of how quarks interact within protons.
The search is on for disease-modifying treatments for Parkinson's disease, but, as Ruth Williams discovers, developing a compound is only part of the problem.
Parkinson's disease might have much in common with Alzheimer's disease, prion diseases and other protein-aggregation disorders. Jim Schnabel investigates.
Cell replacement, gene therapy, and electrical and optical stimulation for the brain — Kerri Smith looks to the future of Parkinson's disease therapies.
There is more to combating HIV in the developing world than providing affordable drugs. T. V. Padma looks at the innovative new strategies being employed.
A Cambodian group has developed a pioneering community-based approach to HIV and TB care and research. Amy Maxmen describes how this powerful model is being expanded to other war-torn countries.