Researchers at the University of California, San Diego have developed a porous silicon chip that can sniff out airborne chemicals. The US Department of Homeland Security says this could revolutionize protection against chemical weapon terror attacks.
If humans heated the earth, perhaps our technology can cool it, too. A look at the science of geoengineering and how it might be used to address global warming.
Marketing tobacco products to kids and teens will be restricted under new FDA rules to be published Friday.
Some Democrats in the House of Representatives worry that a 'yes' vote on healthcare reform could cost them reelection. But history suggests the dynamic isn't that simple.
A racially themed party and an incident involving a noose have roiled UC San Diego. But if the school handles the incidents appropriately, some academic experts say, students could ultimately benefit from an enhanced classroom experience.
Yvo de Boer, executive secretary of the United Nations Framework Convention on Climate Change (UNFCCC), steps down, effective July 1.
A new report finds a close match between individual happiness and objective quality-of-life measures such as climate, air quality, and schools. But others say happiness is more nearly tied to family, friends, and religion.
Forget megabytes, the US as a whole consumed 3.6 zettabytes of information in 2008.
A report Tuesday on the latest climate-change research shows emissions rising quickly and ice caps melting faster than projected. The report comes amid a controversy over hacked scientists’ e-mails that some say point to a global warming hoax.