The largest flying creature ever- a pterosaur called Arambourgiania philadelphiae that lived some 65 million years ago -has been identified by British and German palaeontologists as the owner of

Ants, who else! Fire ants were believed to communicate mainly through pheromones -chemical signalling messages. Researchers also knew that the insects made sounds, whose function they were

Men lose brain tissue as they age at almost three times the rate women do; this could reduce their memory, concentration and reasoning power, says Ruben C Gur, a professor of psychology at

The newly discovered relation of haemoglobin to the distribution of nitric oxide in the body could lead to treatments for blood pressure related disorders

Genetically engineered test mice provide the ray of light in thalassaemia research

What do glial cells do in an organism's body. Studies of the fruitfly provide some pointers

The p53 protein's association with tumours is probed further, leading to revelations about tumour growth

Behavioural ecologists study the roles played by biology and culture in the process of mate selection among animals and humans

Scientists report on the role played by two processes, rapid evolution and the founder effect, in shaping the existence of lifeforms migrating to islands

Crippled Human Immunodeficiency Virus (HIV) could be useful in gene therapy, says Inder Verma, a gene therapy specialist at the Salk Institute in California, USA. Retroviruses, the family to