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Biologists aren't keeping track of endangered species, GAO says

The coastal California gnatcatcher has been listed as threatened under the Endangered Species Act since 1993.  You would think that when construction of the Sky Ranch development east of San Diego was predicted to harm seven gnatcatcher breeding pairs three years ago, the government would keep close tabs on those numbers, termed “incidental take.”

Not so, says a new report issued by the U.S...

May 27, 2009 — Brendan Borrell

Could water in a dog's bowl + sunshine start a fire?

You remember the time as a kid when you set an ant on fire. You positioned your dad’s magnifying glass a few inches above the ground, adjusting the angle ever so slightly until the spotlight of refracted rays rested precisely on your target.* Then you waited. 

It was innocent fun—except for some of us more sensitive folk—a sort of right-of-passage, backyard science experiment...

May 27, 2009 — Lynne Peeples

Don't cure cancer, stabilize it

What if we didn’t try to cure cancer, but simply kept tumors from growing too big? That’s what radiologist Robert Gatenby of the Moffitt Cancer Center proposes this week in the journal Nature ...

May 27, 2009 — Brendan Borrell

Video: On board a research drilling ship

Earlier this spring, Peggy Delaney wrote about her expedition to drill core ocean floor samples for 60 Seconds in the Mid-Pacific. Delaney's two-month trip aboard the JOIDES Resolution Drill Ship presented some challenges, including finicky toilets and the difficulty of being away from home—"away from everything"—she says...

May 27, 2009 — Katherine Harmon

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