A NEW type of safety catch will prevent children from accidentally triggering firearms. The US Department of Justice and the Pentagon are jointly developing "smart" guns that will fire only when held

Entire tree species face the threat of extinction from the increasing concentration of atmospheric carbon dioxide

A NEW rapid dipstick method to detect the presence of the malarial parasite, Plasmodium falciparum, could prove a boon to diagnosticians. The test, which has a sensitivity as high as 95 to 100 per

Recent studies indicate that the greater the weight of babies at birth, the less prone they are to heart disease during their riotous adult years

Porous layers of slurry, zapped with electricity, may revolutionise the treatment of contaminated clay soils

The aurora borealis is caused not by solar flares but by gigantic portions of the corona flowing out of the Sun

Simple urine and blood tests could soon be used to detect cancer. Scientists at the Boston Children's Hospital and the Harvard Medical School have detected increased levels of a tumour-related

METHANE, a key greenhouse gas that has been growing alarmingly in the atmosphere, suddenly stopped in its track beginning 1992. Although previous studies had shown that the rate of methane increase

Fitness-conscious mothers can now safely put aside doubts and swing to Jane Fonda's aerobics. According to a study conducted over 12 weeks by a team of American researchers, lactating mothers run no

PANDA Electronics Co, China's leading television manufacturer, has had enough of selling no-frills sets. It is gearing up for a into the satellite dish and telephone businesses. Panda believes that