No more sweet sixteen

Earth is 30 million years older than originally estimated by researchers

Unholy ritual

Antarctic ozone hole again starts expanding

Drag-net

New copy protection system to trace culprits circulating films purchased online

Multiplication vexes

Exposure to environmental estrogens reduces male fertility

Fallible Detective

Fingerprint identification may not be completely reliable

A basic discovery

Scientists find the 22nd amino acid

A solution to the solvent

Researchers develop solvent-free chemistry -- a boon for environment

Hottest of them all

The first three months of the year 2002 were the warmest ever recorded

Better than the best

Osmium metal is even harder than diamond

New biosensors

Cleanly this means trouble!

Hormone-rich shampoos make some girls enter puberty early

Successful fighting

Threats to forests

Polluting ships

Brainy findings

Weakening brain cells affect the output of the nerve cell

Smelling a rat

Cloned mice suffering from obesity shed more doubts on the cloning technique

Dodo's tale

Pigeons are the closest relatives of the extinct dodo, proves DNA analysis

Reefs in peril

Sweet lumps

Diabetes and obesity are related

AIDS vaccine delivers

Cellular attack against the virus works

Cancer vaccine

Fowl play

Usage of antibiotics in farm animals could be making human microbes drug-resistant

Mouse make up

Mice are genetically similar to humans

AIDS in 1908

User-friendly water test kit