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The real McCain-Obama debate over bear DNA

When the presidential nominees verbally duked it out during their first televised debate Friday night, many people -- including perhaps Democrat Barack Obama -- were flummoxed when Republican John McCain started railing about forking over funds to study bear DNA...

September 28, 2008 — Lisa Stein

Greenhouse gas pollution up despite economic downturn

Despite a slowing global economy, carbon dioxide emissions continued to rise in 2007, according to energy use figures from oil company BP—jumping to 8.47 billion metric tons of the most common greenhouse gas responsible for global warming or 2.9 percent higher than the last year's total...

September 26, 2008 — David Biello

Am I a narcissist? Ask Facebook--Or me!

A friend I’ve been trying to convince to join Facebook forwarded me a LiveScience story this afternoon about a study that found that a person’s narcissism can be predicted by how he or she uses the popular social networking site...

September 26, 2008 — Ivan Oransky

What are near-Earth objects?

Scientists have proposed that the United Nations establish a global network of telescopes to track asteroids and comets at risk of hitting Earth—and, eventually, create a plan to deflect them and evacuate humans in their paths...

September 26, 2008 — Jordan Lite

Rock of (old) ages surfaces in Canada

The world's oldest rock has been found along the eastern shore of Hudson Bay in northern Quebec. The rock, a chunk of ancient volcanic deposits, is around  4.28 billion years old—or 250 million years older than the previous record-holder, the Acasta gneiss in northwestern Canada...

September 26, 2008 — David Biello

Lance Armstrong back in the race; hires doc to prove no doping

Cycling legend Lance Armstrong has hired a renowned doping scientist to prove his athletic greatness wasn't the result of performance-enhancing drugs, but the medical doctor who will be testing him says "there are no guarantees" that the results will be rock solid...

September 25, 2008 — Jordan Lite

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