Almost all cotton seeds sold at Baoding Seed Market in Hebei Province are genetically engineered to resist bollworms. China has embraced the new crops faster than any other Asian nation. China's rush

The apparent loss of an entire generation of U.S. mission to Mars has triggered a total reassessment of NASA's approach to interplanetary exploration. "The whole program is on the table for

A French court ruled that a ground breaking lawsuit brought against a French cigarette company by the family of a three-pack-a-day smoker who died of cancer was admissible. In the first trial of its

Researchers in Holland are questioning the safety of a practice that has been widely endorsed by cancer experts in the United States:prescribing the drug tamoxifen to prevent breast cancer in healthy

The number of people in Britain to have contracted the human form of "mad cow" disease rose to 79 last month, of whom all but nine have died, according to official figures

A dip in temperature and strong winds brought some relief from a heat wave that has scorched southeastern Europe, leaving at least 37 people dead so far and sending hundreds to hospitals. But the dry

President Thabo Mbeki of South Africa has so exasperated AIDS researchers that some have decided not to attend the international AIDS conference in Durban. First he said that AZT, which has safely

Limited resources and long-standing reticence about sexual matters contributed to the lack of information about AIDS in Masoga, Kenya, during much of 1990s : a

United Nations officials said that the North Korean economy was showing tentative signs of life after more than four years of food shortages but that a generation of children would never recover from

Medical advances that stalled the AIDS epidemic in the West are not reaching Africa largely because these countries and their citizens face a stark choice : buy drugs at their market price, far