kala-azar is spreading. Two cases of the disease, usually found in eastern parts of India, have been reported from Gujarat and Madhya Pradesh. The pathogen could spread in the area because

India sent its first team to the Arctic recently. Two of its members have returned with a variety of samples, some dating back to millions of years. ARCHITA BHATTA spoke with them "We found round

A severe heat wave has hit most parts of central and southeastern Europe causing deaths, forest fires and damaging crops. Countries like Romania, Austria, Croatia, Hungary are reeling under the

every summer, pollens fly past Lake Van in Turkey. Pollens scattered in the air by various means get deposited on the lake's bed. Then a layer of mud covers it. This phenomenon repeats itself

the brown haze over north-India's sky could portend a dry future. Caused by liquid pollutants suspended in air, the aerosol cloud, infamous for its effects on crops and human health, may result in

tiny particles called aerosols found in smoke and most types of air pollution can increase or decrease the cloud cover, claims a study conducted in the us. Whether aerosols stop or assist cloud

Nanofluids can make heat less of a bother