Two British consultants have developed an underwater pump that can irrigate riverside fields without using fuel or causing pollution. The prize-winning turbine is easy to construct and can work
WANT A healthy heart? Then eat a lot of walnuts. Just 28 grams of walnuts a day would be perfect, recommends a recent study that found the nuts to be an excellent source of heart-friendly fatty
MILK PRODUCERS in Tamil Nadu's Nilgiri district have designed a portable, insulated biogas plant that produces enough gas for three hours of cooking per day. The one cubic metre capacity
NEXT TIME you liberally smear suntan lotion on your body and linger too long in the sun, beware: Sunscreens are not sunproof, say scientists. According to US epidemiologists Cedric and Frank
A US study refutes the notion that airline pilots nearing 60 are more likely to cause accidents than their younger colleagues. The two-year study, which analysed accident data between 1976 and