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49abc712dea997274a927d68cc8033cf1
2010-04-26 12:50:59

Scientists from the Max Planck Institute for Solar System Research identify the active regions on the surface of comets Studying comets can be quite dangerous - especially from close up. Because the tiny particles of dust emitted into space from the so-called active regions on a comet's surface can damage space probes. Scientists from the Max Planck Institute for Solar System Research in Germany have now developed a computer model that can locate these regions using only the information...

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2010-04-13 07:25:00

British scientists have identified a new candidate for the biggest comet measured to date. Dr Geraint Jones of UCL's Mullard Space Science Laboratory will be presenting the results at the RAS National Astronomy Meeting in Glasgow on Tuesday April 13th. Instead of using the length of the tail to measure the scale of the comet, the group has used data from the ESA/NASA Ulysses spacecraft to gauge the size of the region of space disturbed by the comet's presence. Analysis of magnetometer data...

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2010-02-18 13:42:52

Just three days shy of one year before its planned flyby of comet Tempel 1, NASA's Stardust spacecraft has successfully performed a maneuver to adjust the time of its encounter by eight hours and 20 minutes. The delay maximizes the probability of the spacecraft capturing high-resolution images of the desired surface features of the 2.99-kilometer-wide (1.86 mile) potato-shaped mass of ice and dust. With the spacecraft on the opposite side of the solar system and beyond the orbit of Mars, the...

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2010-02-04 13:00:00

A study by British and Belgian researchers found that a man who had been presumed to be in a vegetative state for five years, can communicate "yes" and "no" using only his thought patterns, Reuters reported. The researchers said the man sustained a severe traumatic brain injury in a traffic accident in 2003. He remained physically unresponsive and was presumed to be in a vegetative state for five years. The study results, published in the authoritative New England Journal of Medicine, said...

2010-01-27 16:48:05

MADISON, Wis. -- The brains of people under anesthesia respond to stimuli as they do in the deepest part of sleep "“ lending credence to a developing theory of consciousness and suggesting a new method to assess loss of consciousness in conditions such as coma. Scientists at the University of Wisconsin School of Medicine and Public Health, led by brain researcher Fabio Ferrarelli, reported their findings in this week's edition of the Proceedings of the National Academy of Science. The...

2009-11-24 15:20:00

PITTSBURGH, Nov. 24 /PRNewswire/ -- WHAT: Rom Houbens, a Belgian man thought to have been in coma for 23 years following an auto accident, was actually fully conscious and awake during that time and was the subject of a Good Morning America segment. The DynaVox EyeMax was featured in the segment to illustrate how people with Locked-in Syndrome and other conditions can unlock communication. WHEN: Good Morning America -- Tuesday, November 24 available online at www.dynavoxtech.com...

bbf84d173cc62a214a1bfe97d70458961
2009-11-23 12:52:20

For 23 years, Rom Houben was trapped inside his paralyzed body, after doctors had mistaken his condition to be a coma following a car crash. The 46-year-old man was unable to communicate with doctors or family members, who believed him to be in a long-term coma. "I screamed, but there was nothing to hear," said Houben. "I dreamed myself away," he said. "Frustration is too small a word to describe what I felt." Doctors at the hospital in Zolder, Belgium used the Glasgow Coma Scale to grade...

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2009-09-16 05:20:00

Astronomers from the University of California, Los Angeles and the University of Hawaii have discovered multiple fragments ejected during the largest cometary outburst ever witnessed. Images and animations showing fragments rapidly flying away from the nucleus of comet 17P/Holmes will be presented by Rachel Stevenson at the European Planetary Science Congress in Potsdam, Germany, on Wednesday September 16. Stevenson, together with colleagues Jan Kleyna and David Jewitt, began observing comet...

2009-09-14 08:35:39

A new understanding of how anesthesia and anesthesia-like states are controlled in the brain opens the door to possible new future treatments of various states of loss of consciousness, such as reversible coma, according to Hebrew University of Jerusalem scientists. In an article published in the Journal of Neuroscience, the scientists, Marshall Devor, the Cecile and Seymour Alpert Professor of Pain Research, graduate student Ruth Abulafia and research associate Dr. Vladimir Zalkind describe...

2009-07-21 18:44:40

A sixteen-month study of consensus-based diagnosis of patients with disorders of consciousness has shown that 41% of cases of minimally conscious state (MCS) were misdiagnosed as vegetative state (VS), a condition associated with a much lower chance of recovery. Researchers writing in the open access journal BMC Neurology have demonstrated that standardized neurobehavioral assessment is more sensitive than diagnoses determined by clinical consensus.Steven Laureys, from the University of...


Latest coma Reference Libraries

6_348877a21702e82deaef967e7029f7ad2
2004-10-19 04:45:41

Comet -- A comet is a small body from the outer reaches of the solar system similar to an asteroid but composed of ice. Often described as "dirty snowballs," they are composed largely of carbon dioxide ice, methane ice, and water ice with a mixture of dust and small stony aggregates mixed in. Comets are thought to be small pieces of debris left over from the formation of the solar system, representing a sample of the original composition of the nebula that condensed to form the Sun and all...

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Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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