A transition to hydrogen vehicles could greatly reduce U.S. oil dependence and carbon dioxide emissions, says a new congressionally mandated report from the National Research Council, but making hydrogen vehicles competitive in the automotive market will not be easy.

As unwelcome as they are, higher gasoline prices do come with a plus side - fewer deaths from car accidents, says a researcher at the University of Alabama at Birmingham (UAB).

Acts of piracy and terrorism at sea are on the rise, but there is little evidence to support concerns from some governments and international organizations that pirates and terrorists are beginning to collude with one another, according to a RAND Corporation study issued today.

Scientists have found that one of the most intriguing phenomena in condensed-matter physics -- known as the quantum Hall effect -- can occur in nature in a way that no one has ever before seen.

I tagged this with every category since I review books in all realms of science.

Though I plan to maintain my Science Shelf archive of book reviews, I will now also publish the reviews on Science Blog.

Engine exhaust fumes are linked to excess deaths from pneumonia across England, suggests research published in the Journal of Epidemiology and Community Health. The annual death toll is comparable to that caused by the London smog in 1952, suggests the author.

For those of you have have been wondering about whether ScienceDebate2008, the latest news is that it has morphed into a different but still viable form.

It won't take place in PA, but it may take place on PBS.

Click for the latest message from the organizers

Oceangoing sailing rafts plied the waters of the equatorial Pacific long before Europeans arrived in the Americas, and carried tradegoods for thousands of miles all the way from modern-day Chile to western Mexico, according to new findings by MIT researchers in the Department of Materials Science and Engineering.

A growing number of plug-in hybrid electric cars and trucks could require major new power generation resources or none at all— depending on when people recharge their automobiles.

Rather than improving motorist safety, red-light cameras significantly increase crashes and are a ticket to higher auto insurance premiums, researchers at the University of South Florida College of Public Health conclude. The effective remedy to red-light running uses engineering solutions to improve intersection safety.