By Jessica Berman Scientists with the U.S. space agency NASA have begun investigating the crash landing Wednesday of the Genesis space capsule in Utah. The mission came to a disastrous end when a para
VOA2004（下）--健康科技
By Heda Bayron Hong Kong's top health executive has resigned after strong criticism for his handling of the outbreak of Severe Acute Respiratory Syndrome last year that killed nearly 300 people. Healt
VOA2004（下）--健康科技
By David McAlary A panel of scientists and engineers appointed by the U.S. National Academy of Sciences urges NASA to refurbish the observatory one final time, predicting that compelling scientific re
VOA2004（下）--健康科技
By Delia Robertson Changing the demographics of land ownership in South Africa is an ongoing and enormous challenge. Under apartheid, 87 percent of the land mass was earmarked for whites who comprised
VOA2004（下）--健康科技
By Nico Colombant World Health Organization officials say the northern Nigerian state of Kano will start a catch-up polio immunization campaign Saturday, ending an 11-month religious-led boycott. The
VOA2004（下）--健康科技
- WHO Warns Of More Human Deaths After Bird Flu's Latest Victi
- Texas Scientists Work to Reduce Carbon Dioxide Air Pollution
- Harare Residents Face Water Shortage
- Japanese Watchmakers Strive for Perfect Timekeeping
- Iodine Deficiency Disorders Plague Europe and Central Asia
- Atlas Shows Coral Reefs Shrinking Fast
- Researchers Identify Drug That Might Block Sexual Transmissi
- Spacecraft Finds Saturn's Rings Dirty and Decaying
- Nations Meet to Discuss Global Climate Change
- WHO: Cholera in Chad Could Spread to Sudan's Darfur
- US Astronomers Find 'Smaller' Planets Around Distant Suns
- Smoking, Fatty Diets, Stress Lead Global Heart Disease Risks
- US Spacecraft to Probe Origin of Gamma Rays
- US to Test Its First Automated Space Rendezvous System
- Scientists Find Remains of Extinct Tiny Human
- NASA Reveals Close-Up Images of Saturn's Mysterious Moon Tit
- Scientists Link Antarctic Ice Melt to Decline in Staple Food
- Hormone Therapy Raises Blood Clot Risk in Menopausal Women
- Hollywood Stunt Pilots to Retrieve Pieces of the Sun
- Hepatitis Outbreak in West Darfur Camps
- WHO Warns Of More Human Deaths After Bird Flu's Latest Victi
- Texas Scientists Work to Reduce Carbon Dioxide Air Pollution
- Harare Residents Face Water Shortage
- Japanese Watchmakers Strive for Perfect Timekeeping
- Iodine Deficiency Disorders Plague Europe and Central Asia
- Atlas Shows Coral Reefs Shrinking Fast
- Researchers Identify Drug That Might Block Sexual Transmissi
- Spacecraft Finds Saturn's Rings Dirty and Decaying
- Nations Meet to Discuss Global Climate Change
- WHO: Cholera in Chad Could Spread to Sudan's Darfur
- US Astronomers Find 'Smaller' Planets Around Distant Suns
- Smoking, Fatty Diets, Stress Lead Global Heart Disease Risks
- US Spacecraft to Probe Origin of Gamma Rays
- US to Test Its First Automated Space Rendezvous System
- Scientists Find Remains of Extinct Tiny Human
- NASA Reveals Close-Up Images of Saturn's Mysterious Moon Tit
- Scientists Link Antarctic Ice Melt to Decline in Staple Food
- Hormone Therapy Raises Blood Clot Risk in Menopausal Women
- Hollywood Stunt Pilots to Retrieve Pieces of the Sun
- Hepatitis Outbreak in West Darfur Camps