Differences influence their ability to spread disease or resist insecticides.

Scientists have long warned that the frequency of such icy avalanches is increasing, with more than 200 high risk glacial lakes dotting the Himalaya.

They pose a threat of heavy metals seeping into marine ecosystems.

But they may threaten long-term sustainability of these tropical deciduous forests.

The sensor can spot harmful substances in water, soil, vegetables and milk.

Differences influence their ability to spread disease or resist insecticides.

Scientists have long warned that the frequency of such icy avalanches is increasing, with more than 200 high risk glacial lakes dotting the Himalaya.

They pose a threat of heavy metals seeping into marine ecosystems.

But they may threaten long-term sustainability of these tropical deciduous forests.

The pale fish live in the dark aquifers of the Indo-Gangetic Plain.

Discovery from eastern India likely has signatures of microbial life from a 3.5-billion-year-old volcanic marine environment.

At concentrations considered safe for human hosts, the drug kills the pneumococcus.

A new database finds agencies document only a fraction of the chemicals used in aquaculture globally.