Eminently renewable

No economic reason for environment-friendly technologies, such as wind power, to be expensive

Deformations in upper Shivaliks help predict earthquakes

AIDS came to US from Haiti say researchers from University of Arizona

Byte

Gold salts to treat arthritis

New solar cycle does not pose risks

Vitamin C used to assemble gold, silver and platinum nanoparticles

Malaria vaccine fails to protect people in Mali

Sleep deprivation affects brain cell growth

Over production of enzyme triggers dengue

Decoding antibiotic resistance in bacteria

Giant frog links South America, Madagascar

Bone again

183 bird species have moved to higher threat category

Slowly, but effectively

Handy chopper

Nut reaper

Water, water everywhere

Water has been detected in the upper atmospheres of Saturn, Uranus and Neptune

Sailing with penguin power

A technology developed in the US has opened new vistas for the sea vessel industry

Dying out

Sperm count and quality of human semen are declining in India

Genealogy of stars

The discovery of a cluster of galaxies may provide useful insights into the formation of stars

Simply Put: Origin of Man

Heat-tolerant bacteria that survived meteorite impact

The meteorite was made of a highly dense material and weighed 2.26 kilogrammes

Tap to know how well you are

Trend of using health-monitoring apps on smartphones catches up in India

Keeping warm naturally

A tip from nature brings better insulation for industries