Alexander Wolszczan
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Better sleep is associated with improved academic success

According to a research abstract that will be presented on Wednesday, June 10, at SLEEP 2009, the 23rd Annual Meeting of the Associated Professional Sleep Societies, getting more high-quality sleep...

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Unlikely life thriving at Antarctica's Blood Falls

This blood-red stain at the snout of Taylor Glacier in Antarctica is the by-product of unique microbes thriving in a salty ocean-like reservoir beneath the glacier.An unmapped reservoir of briny liquid chemically similar to sea water, but hidden under an inland Antarctic glacier, appears to support microbial life in a cold, dark, oxygen-poor environment –...

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The Arctic offers more evidence of human influences on climate change

A new study indicates that Arctic temperatures suddenly increased during the last 50 years of the period from 1 AD to the year 2000. Because this warming occurred abruptly during...

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Ardi displaces Lucy as oldest hominid skeleton

Nearly 17 years after plucking the fossilized tooth of a new human ancestor from a pebbly desert in Ethiopia, an international team of scientists today (Thursday, Oct. 1) announced their...

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NAU research ties tree mortality trends to climate warming

Global warming is speeding up the mortality of trees, and Northern Arizona University research is providing some of the data to prove it.

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Missing: 2,000 elephants

Elephants in Zakouma National Park, the last stronghold for the savanna elephants of Central Africa's Sahel region, now hover at about 1,000 animals, down from an estimated 3,000 in 2006....

Draft version of the Neanderthal genome completed

The Max Planck Institute for Evolutionary Anthropology, in Leipzig, Germany, and the 454 Life Sciences Corporation, in Branford, Connecticut, will announce on 12 February during the 2009 Annual Meeting of...

Scientists cure color blindness in monkeys

Researchers from the University of Washington and the University of Florida used gene therapy to cure two squirrel monkeys of color blindness — the most common genetic disorder in people.

Chimp's stone throwing at zoo visitors was 'premeditated'

Researchers have found what they say is some of the first unambiguous evidence that an animal other than humans can make spontaneous plans for future events. The report in the...

Sleep apnea occurring during REM sleep is significantly associated with type 2 diabetes

A multi-ethnic study in the June 15 issue of the Journal of Clinical Sleep Medicine reports that there is a statistically significant relationship between obstructive sleep apnea (OSA) episodes occurring...

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Scientists sequence woolly-mammoth genome

Penn State genomicists Webb Miller and Stephan C. Schuster in front of the Roche / 454 Life Sciences' Genome Sequencer 20 System that was used to sequence mammoth nuclear DNA.Scientists at Penn State are leaders of a team that is the first to report the genome-wide sequence of an extinct animal, according to Webb Miller, professor of biology and...

Obese children at significantly greater risk for post-adenotonsillectomy complications

Obesity in children significantly increases the risk of major and minor respiratory complications following surgery to correct sleep disordered breathing (SDB), according to new research presented at the 2009 American...

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Jets on Saturn's moon Enceladus not geysers from underground ocean, says study

Water vapor jets spewing from Saturn's icy moon, Enceladus, are not the result of geysers from an underground ocean as envisioned by some planetary scientists but may be caused by water evaporation or ice vaporization, according to a new University of Colorado at Boulder study.Water vapor jets that spew from the surface of Saturn's icy moon Enceladus are not really geysers from an underground ocean as initially envisioned by planetary scientists, according to a...

1.5 million-year-old fossil humans walked on modern feet

Ancient footprints found at Rutgers' Koobi Fora Field School show that some of the earliest humans walked like us and did so on anatomically modern feet 1.5 million years ago.

Potato blight reveals some secrets as genome is decoded

Late blight caused the 19th century famine that sparked a wave of emigration from Ireland to the United States, but the disease has also infected tomatoes and potatoes this year....

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Sheep shrink on Scottish isle as world warms, says Stanford biologist

Wild sheep on the Scottish island of Hirta have been diminishing in size for over 20 years and now researchers have puzzled out why: it's the heat. Like wool socks...

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New data show much of Antarctica is warming more than previously thought

This illustration depicts the warming that scientists have determined has occurred in West Antarctica during the last 50 years, with the dark red showing the area that has warmed the most.Scientists studying climate change have long believed that while most of the rest of the globe has been getting steadily warmer, a large part of Antarctica – the East Antarctic...

Researchers crack the code of the common cold

Scientists have begun to solve some of the mysteries of the common cold by putting together the pieces of the genetic codes for all the known strains of the human...

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Proton therapy and concurrent chemotherapy may reduce bone marrow toxicity in advanced lung cancer

Patients treated for locally advanced non-small cell lung cancer who receive chemotherapy and proton beam therapy have fewer instances of bone marrow toxicity than patients who receive the standard treatment...

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Fossil evidence of missing link in the origin of seals, sea lions, walruses found in Canadian Arctic

Life reconstruction of <i>Puijila darwini</i> swimming in crater lake.Researchers from the United States and Canada have found a fossil skeleton of a newly discovered carnivorous animal, Puijila darwini. New research suggests Puijila is a "missing link" in the...