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Are the Lab Rat's Days Numbered?

Bioengineers are striving to topple a scientific icon: the lowly lab mouse. And to replace bunnies, beagles, and other warm-blooded animals with insentient but biologically sophisticated substitutes. ...

from the Boston Globe (Registration Required)

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Disappearing Before Dawn

... Why do we sleep? For some researchers who study memory, [research] findings support a popular theory that the purpose of sleep is to replay and consolidate memories from the previous day. ...

from the Scientist (Registration Required)

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Chicks Do Arithmetic

Count your chickens after they hatch, and they may do a little arithmetic themselves. ...

from Science News

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Near-Death Experiences: Heaven Can Wait

Thousands of near-death experiences have now been documented in a major worldwide study. ...

from the Independent (UK)

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Treating an Illness Is One Thing. What About a Patient With Many?

Mazie Piccolo has so many health problems it's hard to keep track. Congestive heart failure makes her short of breath and causes her legs to swell. An abnormal heart rhythm raises her risk for stroke. Arthritis in her knees makes it hard for her to get around, and she can no longer drive. ...

from the New York Times (Registration Required)

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Signals Could Be From Dark Matter

Scientists have detected particles that may come from invisible "dark matter." This is thought to make up 23% of the Universe, but can only be detected through its effects on "normal" matter. ...

from BBC News Online

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Rare Irrawaddy Dolphins Found Along Bangladesh Coast

Conservationists claim to have found thousands of rare Irrawaddy dolphins on the Bangladesh coast, but warn that the newly discovered population is under threat from climate change and fishing. ...

from the Guardian (UK)

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Technology Opens Promise, Perils of Deep Ocean Mining

BOSTON (Associated Press)—There's gold in that thar sea floor. Silver, copper, zinc and lead, too. The problem is, it's a mile or two underwater and encased in massive mineral deposits that layer a dark, mysterious world. ...

from the San Diego Union-Tribune (Registration Required)

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