Air losing self-cleaning ability

Recent studies indicate increasing pollution may be hampering the atmosphere's inherent cleansing abilty

Perfecting crystals

When cultivated in gravity-free space, crystals have more perfect protien structures that help help in designing better drugs

New gene promises kidney stone cure

Scientists have isolated a gene that can break down oxalic acid, the primary culprit that damages tissue and leaves the victim gasping in pain

Round logs baked square

Auditioning pollution

Tree ring indicators

Confronting cholera in Peru

The year-long cholera epidemic in Peru refocussed scientific attention worldwide on the causes of the disease and the various strains of cholera …

Rivers from Himalayan major uranium source

Climate changes alter height of Himalayan range

The average height of the Himalay has been going down over the last two million years because of climatic changes, surveys indicate.

Celery for blood pressure

It's curtains on sound and light

Yeast genes spring surprise on scientists

Chromosome III in yeast, the first to have its DNA fully described, opened up a wealth of new genes whose functions are completely unknown

Introducing the bacteria

Worm-eaten

Rockets go-ahead

Hair-raising promise

Diamonds for dinosaurs

Mindless shopping

Cool sound

Biotech in the lead

Reprieve for yew

Maternal aerobics

Sniffing out cancer

Learning from lasagne

Porous layers of slurry, zapped with electricity, may revolutionise the treatment of contaminated clay soils

Carnation kamikaze