Robert C Richardson, a Cornell University professor who shared a Nobel Prize for a key discovery in experimental physics, has died at the age of 75.

US President George Bush said tonight that mass shootings are a reminder that people must be willing to raise a red flag about others’ disturbing behaviour.

IT is a college where guns are treasured as much as human life, according to a Co Monaghan professor working for the tragic Virginia Polytechnic Institute.

LOW levels of a widely used insecticide may cause changes in the brain that lead to symptoms of Parkinson’s disease.

MEAT and milk from cloned animals could be sold in US supermarkets by next year, it was reported yesterday.