As Stephen Hawking turns 70 this week, scientists are baffled how he has managed to survive so long with such a crippling disease.
A gene that can turn many types of bacteria into deadly superbugs has been found in samples taken from New Delhi’s drinking water.
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/ 16 February 2010
The most powerful force against HIV/Aids in Africa may be circumcision, a procedure that’s easily done in the developed world.