First successful gene therapy is announced.
French doctors fix genetic flaws in babies with crippled immune systems.
Europe's giant atom-smasher closes after coming within a whisker of spotting the Higgs Boson. Water exists on Ganymede, Jupiter's largest moon, according to US scientists. Doctors in New York will conduct a rigorous study of whether AIDS drugs can prevent the virus from establishing itself in the hours or days after exposure. Full story . Meteorite from Mars found in Oman desert Swiss scientists say they have discovered a Mars meteorite in the desert of Oman in the Arabian Peninsular, one of only 18 bits of rock found on Earth from the red planet.