Boy and father fly home to Cuba. Training exercise on Vieques Island is first since fatal accident caused yearlong protest occupation of the range. Scientists find that new course of therapy can coax brain into reorganizing circuitry so that nearly full use of paralyzed limbs can be obtained. Robotic telescope in Australia measures 100,000 galaxies to produce first detailed map of Earth's regions. Hard drives discovered behind copying machine.
Officials call incident suspicious.
Orbiting spacecraft reports grooved surfaces suggesting relatively recent water flow on planet. Survey by NASA's Mars Global Surveyor could redirect efforts to find evidence of past or present life on Mars. Two rival groups of scientists, led by J. Craig Venter and Francis S. Collins, announce major achievement in solving secrets of hereditary scripts that define the human organism. Understanding the human genome is expected to revolutionize the practice of medicine.