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Brain's preparation center gets 'juiced' by prospect of winning -- "[T]he left dorsolateral prefrontal cortex, located in the brain approximately two inches above the left eyebrow, is a key area that both predicts a win, or successful outcome, and prepares the motivational cognitive control network to win again."

Brain gene expression changes when honey bees go the distance -- "Tricking honey bees into thinking they have traveled long distance to find food alters gene expression in their brains[.] [...] Foraging honey bees make unique research animals in part because they communicate in a language humans can decode[.] After a successful hunt, a forager performs a highly stylized 'dance' that tells her peers what direction to go to find the food, how good it is and how far away it is. The bee does a 'round dance' if the food is close to home, while a 'waggle dance' indicates it is farther away."

Brain Connections Break Down as We Age -- corpus callosum & "cross-talk"

Scripps Research scientists uncover possible cocaine addiction trigger -- "The results from the new study strongly suggest that a protein known as methyl CpG binding protein 2 (MeCP2) interacts with a type of genetic material known as microRNA [specifically, microRNA-212] to control an individual's motivation to consume cocaine."

Spinal cord regeneration success in mice

Fate of Universe revealed by galactic lens -- "A 'galactic lens' has revealed that the Universe will probably expand forever."

Fears Influence Actual Risk of Falls
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Oxytocin Hormone May Treat Autism: Study Shows Oxytocin May Improve Social Skills for Some People With Autism

Separate brain paths for start and end of sounds is key to hearing and understanding speech -- both eventually join in temporal lobe

First Brain Recordings from Flying Fruit Flies: Researchers at the California Institute of Technology have obtained the first recordings of brain-cell activity in an actively flying fruit fly

Hottest temperature ever heads science to Big Bang -- "Scientists have created the hottest temperature ever in the lab -- 4 trillion degrees Celsius -- hot enough to break matter down into the kind of soup that existed microseconds after the birth of the universe."

Mysterious Origin of Cosmic Rays Pinned Down

Backward Black Holes Control Fate of Galaxies

See-Through Frogs Discovered

Marijuana May Disrupt Brain Development -- "[The researcher] pointed out shortcomings in the study, however."

Simple test may spot concussion in athletes

Timing of Seasons Is Changing -- "The Earth's seasons have shifted back in the calendar year, with the hottest and coldest days of the years now occurring almost two days earlier, a new study finds. This shift could be the work of global warming, the researchers say."
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It's not lunacy, probes find water in moon dirt -- Was there a copyeditor involved in this title? *sigh* The article's content is decent, however (despite the fact that one of the scientists interviewed has a name that would befit an erotic dancer). Here's NYT's take.

A world first: Vaccine helps prevent HIV infection -- "The vaccine--a combination of two previously unsuccessful vaccines--cut the risk of becoming infected with HIV by more than 31 percent."
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Charge dropped against black Harvard scholar | Analysis: Gates arrest a signpost on racial road | Gates Arrest Resonates Through Black America (thanks, [livejournal.com profile] davidfcooper)

Tonight: Longest total solar eclipse of the century -- visible in Asia

Aussie stargazer spots scar from Jupiter collision

How Media Brings Out the Idiot in Teens -- "The first reports of car surfing as a phenomenon emerged in the 1980s. Copycats were inspired by the 1985 movie 'Teen Wolf,' in which the lead character hops on the hood of a moving car to the tune of 'Surfin' USA.' Mercifully, 'Teen Wolf' faded quickly from everyone's memory, and car surfing faded, too."
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Betelgeuse: The incredible shrinking star?

I was first alerted to this by [livejournal.com profile] dionysus1999. I really don't want this to be true; Orion is prominent in my personal cosmology and it would sadden me to see the constellation altered.
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As chance would have it, Ann Arbor is cloudy.

The rest of you in my time zone (weather permitting), go out! Look north!
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Comet draws scientific, amateur interest

A comet that unexpectedly brightened in the last couple of weeks and is now visible to the naked eye is attracting professional and amateur interest.

Paul Lewis, director of astronomy outreach at the University of Tennessee, is drawing students to the roof of the Nielsen Physics Building for special viewings of Comet 17P/Holmes.

The comet is exploding and its coma, a cloud of gas and dust illuminated by the sun, has grown to be bigger than the planet Jupiter. The comet lacks the tail usually associated with such celestial bodies but can be seen in the northern sky, in the constellation Perseus, as a fuzzy spot of light about as bright as the stars in the Big Dipper.

"This is truly a celestial surprise," Lewis said. "Absolutely amazing."

Until Oct. 23, the comet had been visible to modern astronomers only with a telescope, but that night it suddenly erupted and expanded.

A similar burst in 1892 led to the comet's discovery by Edwin Holmes.
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[livejournal.com profile] sarahmichigan points folks toward photos of last night's eclipse.

I didn't know there was to be one. I would have looked.

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