Paul A. Samuelson, the first American Nobel laureate in economics and the foremost academic economist of the 20th century, died Sunday at his home in Belmont, Mass. He was 94. His death was announced by the Massachusetts Institute of Technology, which Samuelson helped build into one of the world’s great centres of graduate education in economics. In receiving the Nobel Prize in 1970, Samuelson was credited with transforming his discipline...

Paul A. Samuelson, the first American Nobel laureate in economics and the foremost academic economist of the 20th century, died Sunday at his home in Belmont, Mass. He was 94. His death was announced by the Massachusetts Institute of Technology, which Samuelson helped build into one of the world’s great centres of graduate education in economics. In receiving the Nobel Prize in 1970, Samuelson was credited with transforming his discipline from...

Governments and people have to make choices about accepting new scientific developments into their daily lives. Many attribute high levels of objectivity and integrity to scientists, which is not true of many of them. Scientists have been known to manipulate results to their advantage. Scientific issues are often complex, there are differing views among scientists and the layman finds it difficult to decide which scientific course is harmful or beneficial....

Manufacturers are using chemical additives to make greener tyres JOHN DUNLOP had a son who complained that his bicycle was bumpy to ride. So he invented the pneumatic tyre in 1888. Various improvements have been made since then. In particular, Pirelli, an Italian tyremaker, introduced steel-belted radial tyres in 1973. These reduced the fuel consumption of cars fitted with them. Now manufacturers are trying to develop tyres that reduce that consumption...

Electromagnetic radiation emanating from mobile handsets has spoilt the growth of agricultural crops and plants across northern Indian states, a recent study has said. The study - done by scientists at the Punjab University of Chandigarh - states that electromagnetic field (EMF) radiation from mobile phones have choked seeds, affected germination and early growth. This was, interestingly, the first such study analyzing the impact of EMF on seeds. Scientists germinated...