The year long cholera epidemic in Peru refocussed scientific attention worldwide on the causes of the disease and the various strains of cholera bacteria.

PROLONGED use of chlorinated drinking water can cause cancer, says a study by scientists at the Indian Council for Medical Research (ICMR). When chlorine gas reacts with naturally occurring organic

EUROPEAN spacecraft Giotto created history mid-July when it swept past the comet, Grigg-Skjellerup, some 240 million km away in space. Giotto flew within 200 km of the comet's nucleus at 14 km a

SOUND waves can be used to measure factory emissions, say scientists at the Open University in UK. Pollution monitoring systems using light waves are often inadequate and direct sampling of air

New, more efficient aids are being developed for the physically handicapped under a government project. The stumbling blocks, however, are the mass production and marketing of these aids

Most birds are adulterous, find bird watchers, and contrary to earlier beliefs, it is the females who have a roving eye

A VULTURE is really a stork and albatrosses belong to the same super-family as the flightless penguins. This is what US ornithologists, Charles Sibley, Jon Ahlquist and Burt Monroe have concluded

Clarizyme is a new biodegradedable enzyme produced by the Central Leather Research Institute in Madras as a replacement for substances used in tanneries

Chromosome III in yeast, the first to have its DNA fully described, opened up a wealth of new genes whose functions are completely unknown

EGYPTIAN scientists Y I Hanna and M M Kandil of the National Institute for Standards in Cairo have designed and tested a double-layered curtain using local textiles which absorbs sound and light to