In a breakthrough in Alzheimer's disease research, American doctors have converted a simple eye test into a powerful diagnostic instrument for the disease (Science, Vol 266, No 5187). A research

Two studies suggest that the brain and the nervous system are loaded in favour of symmetry

British scientists have evolved a way to make enzymes more tenacious and alter their activity

There is more to pigs than pork. Researchers at Purdue University in the US have cannibalised discarded swine to reconstruct damaged human arteries, veins, ligaments and tendons. Stephen F Badylak

Donald Black, a psychiatrist at the University of Iowa College of Medicine, and Susan McElroy, psychiatrist at the University of Cincinnati, claim to have found a drug to cure compulsive shoppers of

Romantic behaviour has more to do with environmental influences than heredity, according to a study by behavioural geneticists at the University of California, Davis, US. The finding comes as a

The battle against the disease intensifies

Feeding non-infective bacteria to infants may protect them from diarrhoea, a recent study concludes (The Lancet, Vol 344, No 8929). Jose Saavedra and colleagues at the Johns Hopkins University

A protein found in almost all life forms not only offers protection against toxins but also preverits errant behaviour in other proteins

A pair of genes responsible for causing breast cancer have been nabbed

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