By David McAlary Researchers have shown that it may be possible to prevent sexual transmission of the AIDS virus HIV with a compound now in the experimental stage. Female monkeys who received it vagin...
By Rosanne Skirble Coral reefs are home to the greatest diversity of plant and animal life found in any habitat, anywhere on the earth. But, while they are found in 101 countries and territories, the...
By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved...
By Steve Herman Man's quest to track time accurately dates back thousands of years. The ancient Egyptians devised the sundial and the water clock. The Babylonians divided the hour and minute into 60 p...
By Peta Thornycroft Water rationing has been imposed in Zimbabwe's capital, where water shortages have reached critical levels. Half the city's four-million residents are either short of water or have...
By Nancy-Amelia Collins A World Health Organization official has warned of the likelihood of more human deaths from the bird flu virus, after the death of a teenage boy in Thailand this week. On Wedne...
By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie...
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...
By David McAlary A new U.S. study highlights more negative health effects women might suffer if they take hormone supplements to combat the symptoms of aging. We know that taking the female hormones e...
David McAlary For weeks, two helicopter crews have been practicing the mid-air capture of a parachute drifting down over the Utah desert. When the event acttually occurs Wednesday, the parachute will...