Evolution faster in temperate zones than tropics

Resistant an influenza virus to drugs

Indians, Europeans share same parentage, say tummy bacteria

Scorpion venom may cure blood cancer

New global map that charts plant diversity

Low-cost, faster test for chikungunya

Stone-age women killed furry babies, research suggests

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New technology to track animal distribution

Battered women prone to asthma

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Women's role helped Homo sapiens survive

Satellite data to help predict regions that risk having wildfires

Natural dye can be used in applications such as DNA fingerprinting

Some birds respond better to habitat change

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A prick-free test for diabetes

Scrap the waste

Chikungunya virus gets deadlier

New filter to remove arsenic from drinking water

Arsenic trap

Silver nanoparticles caged in aluminium can rid water of arsenic

Making waves

The world's first sea-driven electricity generator is launched

Radioactive power

Designer fuel

Waste hydrocarbons mixed with ethanol can be used to run vehicles

Safe drinking

A new filter now promises clean drinking water in arsenic-rich areas