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...

Intergovernmental Panel on Climate Change (IPCC) chief Rajendra Pachauri has said that drastic cuts in carbon emissions may not be sufficient to avoid the worst ravages of global warming and the world will need to suck carbon from the atmosphere to avert permanent damage to the climate. According to a report in The Times, Dr Pachauri proposed that new techniques should be applied to help to mop up atmospheric levels of...

Chhattisgarh announced a proposed investment of more than Rs 1,77,000 crore in the state. Until October 2008, it had signed over a hundred mous with companies like Jindals, Tata Steel and Essar. After a couple of months of this announcement, a bureaucrat heading the state environment regulatory body resigned. “Development is the preferred option, provided the carrying capacity is available. There cannot be a trade-off at the cost of the health...

No matter how much we try to make up for our historic underinvestment in roads by frantically constructing flyovers and highways, India will never be truly on the move unless it addresses the dark question of injury and mortality. Road safety is a public health crisis, as the WHO has been pointing out for years. There are 13 deaths every hour on our roads, and India now has the highest...

What, you may ask, is common between potatoes, tomatoes, brinjal, chilli, datura, tobacco and the deadly nightshade (belladonna)? They all belong to a plant family called Solanaceae. The Solanaceae family contains a number of important agricultural plants as well as many psychoactive and toxic plants. Solanaceae species are rich in complex chemicals called alkaloids and contain some of the most poisonous plants known to mankind. They produce alkaloids in their...