Scientists have used magnetic fields and tiny iron-bearing particles to drive healthy cells to targeted sites in blood vessels. The research, done in animals, may lead to a new method of delivering cells and genes to repair injured or diseased organs in people.

A person's home may be their castle and in the world of the fiddler crabs having the home advantage makes it a near certainty that you'll win a battle against an intruder -- regardless of your opponent's size. Biologists set out to discover why male fiddler crabs have an 'owner advantage' when defending their burrow that equates to a 92 per cent success rate.

The intensity of alcoholism is typically defined by the severity of alcohol tolerance and/or withdrawal; and Scientists investigated the role of polymorphisms of the dopamine transporter (DAT1) gene in withdrawal; Four polymorphisms appear to alter the risk of alcohol-withdrawal seizures.

New technology that protects Internet advertisers from "click fraud" -- falsely driving up hits to ads on Web pages. The extra clicks drive up costs for pay-per-click advertising.

The United States places last among 19 countries when it comes to deaths that could have been prevented by access to timely and effective health care, according to new research. 101,000 fewer Americans would die annually if the US improved its preventable death rate to that of the 3 top performing nations.

The romance between President Nicolas Sarkozy and the Italian singer Carla Bruni has intrigued France.

President Bush sharply criticized Iran for fomenting “a dangerous situation” in an incident over the weekend in the Strait of Hormuz in the Persian Gulf.

President Bush is likely to respond to recession fears much as he did on entering office in 2001, but this time around Democrats are planning to push back.

Intensifying diplomatic pressure from the United States, Barack Obama phoned the opposition leader '‘to express grave concern over the election outcome.’'

Comedy Central’s Jon Stewart and Stephen Colbert returned to the air Monday pointing barbs at their own management and at the striking union.

The Maldives president, Maumoon Abdul Gayoom, survived an assassination attempt when a boy grabbed the knife of an attacker who jumped out of a crowd.

Should a motorcade be allocated to Carla Bruni, the girlfriend and possible fiancée of the French president?

Hybridizing blind cave fish from different cave populations can partially restore the vision of their offspring, biologists have found. The study suggests that genetic engineering can override, at least in part, half a million years of evolutionary change in one generation.

A ninety minute daytime nap helps speed up the process of long term memory consolidation. Long term memory is defined as a permanent memory that doesn't disappear or that disappears after many years. This part of our memory is divided into two types -- memories of "what" (for example: what happened yesterday or what one remembers from an article one read yesterday) and memories of "how to" (for example: how to read Hebrew, how to drive, play basketball or play the piano).

2008 is set to be cooler globally than recent years say Met Office and University of East Anglia climate scientists, but is still forecast to be one of the top-ten warmest years. Each January the Met Office, in conjunction with the University of East Anglia, issues a forecast of the global surface temperature for the coming year. The forecast takes into account known contributing factors, such as El Niño and La Niña, increasing greenhouse gas concentrations, the cooling influences of industrial aerosol particles, solar effects and natural variations of the oceans.