183 bird species have moved to higher threat category

Eminently renewable

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

Toilet training

At Nacka nature school in Sweden

2008 A lunar odyssey

From a pariah after Pokhran II to scientific self esteem, India raced its way to the moon. Archita Bhatta tracked the nation's voyage to find …

Fast radio bursts: The mystery deepens

Research by Canadian Hydrogen Intensity Mapping Experiment and Fast Radio Burst Project finds repeated pattern to FRBs

Red planet rumbles: NASA’s recordings of ‘marsquakes’ let us listen to the martian heartbeat

Sounds and vibrations are important, they tell us about the medium they’re travelling through

Researchers develop materials to detect hydrogen with high sensitivity

This is important because hydrogen gas is difficult to produce and it is hard to detect if it leaks

Heat-tolerant bacteria that survived meteorite impact

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

Yashpal wore many hats and fit them all

As a defender of the scientific temper, his major concern was the rise of irrationality even among the educated Indians

Yashpal: a people’s scientist

Instead of going in for easy option like importing equipment, Yashpal pushed the envelope and developed indigenously the technology for satellite …

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

Heat comes in from the cold

The unlit part of the crescent moon can help calculate Earth's temperature and measure greenhouse warming

Windows for the Third World

Scientists claim highly insulating windows called "Low-E (emissivity)" windows could save considerable amounts of power in developing countries.

A close encounter with Jupiter's secrets

Spacecraft Ulysses passed the largest planet in the solar system and picked up a rich haul of information before heading for the sun on its …

US scientist uses herpes virus to fight brain tumours in rats

New stars on the horizon

An exciting new discovery might lead to a confirmation of the presence of the farthest known galaxy

No small matter

A persevering physicist is well an his way to uncovering the enigma of antimatter

Mechanical bullocks

A farm implement that promises to be a boon for small farmers

Expensive explorer

Engine for the future

A new 2-stroke engine could be ideal for the next generation of ultra-small cars

Pottety prosperity

Silken feed

Powered by waste

...or how to use garbage to generate power

Rural power

Fluidised bed technology could help meet all power needs of a village