Watershed management emerges as an effective ecological conservation method

The tadpoles of the red-eyed tree frog can choose to hatch early to avoid being eaten by snakes, says Karen Warkentin from the University of Texas in Austin (New Scientist. Vol 146, No 1974).

WORTHY WASTES: Recycling being the latest mantra in environment circles, the Indian Rare Earths factory in Alwaye, Kerala has taken up the chant in its turn. Wastes from the factory, comprising of

Move over mosquito coils, repellent mats and creams. A green way of hacking the pesky biters, by way of bio-degradable insecticides, will soon make the nights more peaceful. The brainchild of the

A new solar dryer developed by a team of scientists headed by K K V Nair from the Bhabha Atomic Research Centre (BARC), Bombay, has made it easier to dry agricultural products. Unlike the

It would be almost impossible to fool a new electronic signature verification system

A British scientist, Martin Dicks, claims to have developed 'intelligent' road studs that can warn motorists of poor driving conditions by emitting different coloured flashes of light (New

Finding itself without any resources, the wasteland development department of the reconstituted ministry of rural areas and employment (previously the ministry of rural development) has hit upon an

Two UK-based companies, Thorn EMI Electronics and McLennan Marine, have developed a night surveillance system that can enable the coastguards to spot a 20 metre boat at a range of 7.5 kin or a

Recharging aquifers with treated wastewater is the only hope to meet the water needs of a growing urban population