A natural antidote
A new technique shall help do away with unwanted, polluting byproducts of certain manufacturing processes
The live connection
Geological studies conducted in northern Chile reveal that the enrichment of metal ores through the weathering of rocks, is a process mediated …
Not so easy
Ecosystems that were expected to revive after power plants were ordered to clean up their act, have not done so
Street-smart settlers
Scientists report on the role played by two processes, rapid evolution and the founder effect, in shaping the existence of lifeforms migrating to …
Facts, at last
The first ever field study of the anaconda - the dreaded predator snake - has revealed a number of fascinating facts about the reptile's habits
Trouble in the air
The winter of 1995-96 has witnessed record lows in the levels of ozone in some areas of the Northern Hemisphere, affecting Europe in particular
Electrifying presence
Scientists at the University of Texas, US, are attempting the use of electrochemical and photochemical methods to purify polluted water. Apart …
Bright lights dim sights
There are various forms and faces of pollution today, and believe it or not, light is one of them. Yes, the concept of light pollution is …
Blow hot blow cold
North Americans have literally had to face some very rough weather this year After having dealt with a sweltering summer with sky-rocketing …
Salt, the saviour
The consumption of salt is currently being blamed for several health problems like high blood pressure and heart ailments that follow. Even …
Over the threshold
The survival and evolution of a species is dependant on both the competing claimsfor survival being asserted within the species and between …
Gone with the wind
Findings from a recent study conducted in Pakistan and Egypt by researchers from the Imperial College, London, suggest that a secondary pollutant,…
The heat is on
Climate is getting warmer and the effects of global warming are becoming increasingly noticeable in the flora and fauna in the UK
The southern connection
Building up of ice sheets in the far north might be due to strong currents in the South Atlantic
Clean and high
These are skyscrapers with a difference: they can remove large amounts of sulphur dioxide, ozone, soot and other polluting particles from the air
Green sands
Ancient Sahara was wetter and wilder before. Changes in vegetation have played a role in transforming its climate
Exceptional site
Bacteria help precipitate arsenic from the surface water that springs out of mining sites
Within the Earth's guts
The answers to puzzling climatic phenomena may lie inside the Earth and not just in the atmosphere and the sea
Back to the source
Recharging aquifers with treated wastewater is the only hope to meet the water needs of a growing urban population
Enviroguard
In every sphere of human endeavour, the use of biological indicators provides an elegant device, as they do not disrupt the stability of natural …
Springing a surprise
Global warming has led to the early rejuvenation of vegetation in spring, a phenomenon that is causing a change in the annual carbon dioxide …
Waiting for the mud
Mexican vulcanologists are trying to track the path that destructive mudslides, the fallout of an impending volcanic eruption, might take
Peep into the past
A female Sao La belonging to a rare bovid species has been captured for scientific study in Laos's Annamite mountain range. Her discovery has …
With warm regrets
Global warming is causing glaciers on the Himalaya to melt into natural lakes. This threatens the lives of indigenous people and animals
Bear business
The growing demand for bear products might jeopardise the existence of several rare species in Asia