Source: http://feeds.sciencedaily.com/~r/sciencedaily/most_popular/~3/tO_WQM1g22g/130804144527.htm
Monday, August 5, 2013
Potential role of 'love hormone' oxytocin in brain function revealed
[unable to retrieve full-text content]Researchers have deciphered how oxytocin, acting as a neurohormone in the brain, not only reduces background noise, but more importantly, increases the strength of desired signals. These findings may be relevant to autism, which affects one in 88 children in the United States.
FOOTBALL RECRUITING Southfields Brady living up to his name finds home in college at Bowling Green
Southfield Hs's Page All Football Stories 
Southfield senior field general Jalen Brady, seen here at an offseason camp in June, committed to Bowling Green Friday.(Photo courtesy of Southfield HS)
SOUTHFIELD ? If you play quarterback and your last name happens to be Brady, you?re almost under official obligation to be really good.Southfield?s star senior signal-caller, Jalen Brady, is just that.
And just like NFL All-Pro field general Tom Brady (Michigan), he's going to play his college football in the Midwest.
On Friday, Brady (6-feet-0, 200 pounds), committed to Bowling Green State University in Ohio, becoming the second Southfield standout to accept a Division I scholarship in the past week.
Bowling Green finished 8-5 last year.
?It?s the best place for me, the school I feel most comfortable at,? Brady said of choosing Bowling Green, following a summer where he tore up the showcase camp and 7-on-7 circuit and garnered multiple Division I scholarship offers as a result. ?The coaching staff there believes in me and thinks I can play there early, maybe even as a freshman. So that type of confidence they?re showing in me was a big factor in my decision, too.?
His final three choices were Bowling Green, Kent State and the University of Cincinnati.
Brady transferred to Southfield back in January, on the heels of an all-league campaign at Grand Ledge in 2012, where he threw for 1,100 yards and scored 17 touchdowns (13 through the air, 4 on the ground) and led the Comets to an 8-3 season.
He is one of a slew of college recruits, mostly from the Division I ranks, that dot Southfield?s roster this year, including fellow commits like all-state defensive end Lawrence Marshall (Michigan), offensive lineman Chukes Okorafor (Western Michigan) and wide receiver Jordan Billingslea (Western Michigan). Billingslea committed to the Broncos earlier in the week.
Newcomers will help spearhead both sides of the ball for Southfield head coach Tim Conley and his club.
With Brady at the helm of the Bluejays? offense, the team?s defenses will most-likely be in the hands of a scary duo of pass-rush specialists in Marshall and transfer Malik McDowell (still waiting to be declared eligible by the MHSAA), considered by some the No. 1 college recruit in the state.
Seven different Southfield players currently hold Division I offers. Another four have offers from Division I AA and/or GLIAC programs. Brady is Bowling Green?s fourth in-state snare for its 2014 recruiting class.
Overflowing with talent, Southfield is expected to contend for a shot at Ford Field and a state-championship game berth this fall.
?We have a ton of great players on this team, lots of DI recruits that are hungry for success? Brady said. ?Lining up and going to war besides those kind of competitors makes you want to maximize your effort even more than usual. I think it will be a fun season. I can?t wait.?
Last Updated: 8/3/2013 5:37:43 AM EST
Source: http://miprepzone.com/oakland/results.asp?ID=10583
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Sunday, August 4, 2013
Human Cells Make Mice Smarter
Astrocyte nerve cell
In spring a band of brainy rodents made headlines for zipping through mazes and mastering memory tricks. Scientists credited the impressive intellectual feats to human cells transplanted into their brains shortly after birth. But the increased mental muster did not come from neurons, the lanky nerve cells that swap electrical signals and stimulate muscles. The mice benefited from human stem cells called glial progenitors, immature cells poised to become astrocytes and other glia cells, the supposed support cells of the brain.
Astrocytes are known for mopping up excess neuro-transmitters and maintaining balance in brain systems. During the past couple of decades, however, researchers started suspecting astrocytes of making more complex cognitive contributions. In the 1990s the cells got caught using calcium to accomplish a form of nonelectrical signaling. Studies since then have revealed how extensively astrocytes interact with neurons, even coordinating their activity in some cases.
Perhaps even more intriguing, our astrocytes are enormous compared with the astrocytes of other animals?20 times larger than rodent astrocytes?and they make contact with millions of neurons apiece. Neurons, on the other hand, are nearly identical in all mammals, from rodents to great apes like us. Such clues suggest astrocytes could be evolutionary contributors to our outsized intellect.
The new study, published in March in Cell Stem Cell, tested this hypothesis. A subset of the implanted human stem cells matured into rotund, humanlike astrocytes in the animals' brains, taking over operations from the native mouse astrocytes. When tested under a microscope, these human astrocytes accomplished calcium signaling at least three times faster than the mouse astrocytes did. The enhanced mice masterfully memorized new objects, swiftly learned to link certain sounds or situations to an unpleasant foot shock, and displayed un-usually savvy maze navigation?signs of mental acuity that surpassed skills exhibited by either typical mice or mice transplanted with glial progenitor cells from their own species.
Alexei Verkhratsky, a glia researcher at the University of Manchester in England who was not involved in the mouse study, calls the work ?truly remarkable,? both conceptually and technically. He notes that the new results do not necessarily conflict with astrocytes' support role. Rather, Verkhratsky argues, the apparent advantages afforded by human astrocytes may be a consequence of their housekeeping abilities, underscoring the interdependence between glia and neurons.
This article was originally published with the title Human Cells Make Mice Smarter.
Source: http://rss.sciam.com/~r/sciam/biology/~3/8mFhBftPQFo/article.cfm
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Two F-16s Collided Last Night. Here's Raw Footage of the Rescue.
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With World Cup looming, FIFA to focus on stadiums
SAO PAULO (AP) ? With the World Cup less than a year away, FIFA pledged to increase its monitoring of stadium construction in Brazil.
The world governing body wants all 12 stadiums ready for the June 2014 kickoff of soccer's showcase event, FIFA secretary general Jerome Valcke said Friday.
There were several delays in stadium delivery for the Confederations Cup this year, and FIFA has made it clear that it will not tolerate the same problems again. Brazil needs to deliver the final six World Cup venues by the end of the year.
Valcke said the Confederations Cup was a success. But he admitted there were "a few challenges and deficiencies" that need to be addressed for next year.
"For us organizers a key focus is now on the 12 stadia, with a tighter monitoring naturally on the six arenas still under construction," Valcke said in his monthly column released by FIFA. "The essential key to success of next year's flagship event is that we can start setting up the complementary infrastructure ... as of early 2014 across all stadia ? earlier than we managed for the Confederations Cup in order to allow time for proper testing and adjustments."
Only two of the six Confederations Cup venues were completed by the original December deadline set up by FIFA for the warm-up tournament. Some were only delivered just before the start of competition. There was a lot of unfinished infrastructure work around nearly all of the venues, and local organizers weren't able to host the ideal number of test events at the stadiums.
"You cannot expect everything to run perfectly in brand new stadia," Valcke said. "That is where we will concentrate our efforts, as we seek to ensure the FIFA World Cup will be a roaring success for the teams, the fans and, most importantly, for the host nation Brazil."
The secretary general said assessments were made after the Confederations Cup about what "we have learned, and we are set to strengthen any weak links" over the next few months.
"The preparations for football's flagship event have now really grown into a huge collective undertaking between sports and host country stakeholders, as the works continue apace," Valcke said. "There is only 11 months to go before the whistle is blown in Sao Paulo for the opening match and the tournament can start for real."
Valcke plans to visit Brazil from Aug. 19-22 to inspect work in Sao Paulo, Curitiba and Manaus.
Tickets for the World Cup will go on sale Aug. 20. The tournament's draw is set for Dec. 6, when the 32 nation will know their opponents during the group stage.
___
Follow Tales Azzoni at http://twitter.com/tazzoni
Source: http://news.yahoo.com/world-cup-looming-fifa-focus-stadiums-180135395.html
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Saturday, August 3, 2013
Motorola Connect and Migrate tools arrive ahead of Moto X event
We thought we knew virtually everything there was to know about the Moto X ahead of its launch later today, but Motorola apparently has a few surprises left -- or rather, had. The company has quietly posted two tools that are clearly targeted at users of its upcoming flagship. Motorola Connect, a Chrome extension, lets those with a Moto X or a new Droid phone handle their incoming calls and text messages through web notifications. Motorola Migrate, in turn, is built to ease the pain of moving to a new Motorola phone -- the Android app lets users transfer media, text messages and other content that Google doesn't necessarily store in the cloud. We'll no doubt hear more about Connect and Migrate at the Moto X unveiling, but those who want to get a first-hand look can download both utilities at the source links.
Filed under: Cellphones, Internet, Mobile, Google
Via: Android Police (1), (2)
Source: Chrome Web Store, Google Play
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T Shirts | Online TShirts Shop for Men and Women in Chennai, India | Hikoomart.com
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