Wednesday, June 6, 2012

Trophy Club, TX ? good morning, lovely ? Orange County ...

Joy - I am so happy to see you posting again, and so happy that you are doing what you love! You are amazing and I love the way you capture people in their everyday lives.

Gail - Oh man...I had to watch the slideshow on Crystal's blog of this session. One of my favorites of yours, for sure, Tara. What a gift you have.

Sara - Brilliant Tara, just brilliant. I too am glad to see you back, you were missed and your photography is awe inspiring. If you ever get over to little old NZ let me know

Nellie - I love everything about this. Simply beautiful and true.

Cathy - I love this session and I love what you wrote. And I love you.

naomi - Brilliance. Love that you are attempting [and succeeding at it!] to connect with what makes you hum ...

Jen Fairbanks - Love, love, love. My favorite shoot of yours. Ever. Wishing that could be me and mine... And Crystal, you have an awesome home and a beautiful family :)

Krysta Manthe - I love. I want to be there with all four of us to have you capture us so badly. This is beautiful honey. xo

Becky Thomas - ???

lauren - oh my word. seriously. i want so badly for you to come to south alabama to my home in the country and do this with me and my family. one day.

Ashley - Beautiful! Every last drop of them! and I must know what that song is! It is just lovely!! Who sings the song from the slideshow?

Cate O'Malley - Gorgeous pictures, as always. I love being able to capture "real life" - none of those JCPenney canned portraits. The house is gorgeous - any chance of finding out where the bedspread in the little girl's room comes from?

jaana - fan-freakin-tastic!

nat - i love how their home is filled with color. and i love the everyday images, real life recorded. what is the song in her slideshow? i tried to shazam it but it wouldn't work.

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Video: Protestors return to Tahrir Square

With anger growing in Egypt over the ?Mubarak verdict, protestors returned to Tahrir Square to demand justice for those who died in Egypt?s revolution. NBC?s Ayman Mohyeldin reports.

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Tuesday, June 5, 2012

Insects the size of hawks once flew skies

Millions of years ago, oversized insects such as griffinflies boasting wingspans comparable to today's hawks scuttled across (and fluttered above) the planet. But why these jumbo jets of the insect world shrank to modern size has remained a mystery, until now.

Turns out, as dinosaurs evolved flight and eventually took to the skies as birds, they beat down the huge insects already living there, effectively putting a cap on insect size through predation and competition in the prehistoric skies, as birds developed into sophisticated flying machines. ?

"The change in insect size is gradual," study researcher Matthew Clapham of the University of California, at Santa Cruz, told LiveScience. "This gradual change fits quite nicely with the gradual evolution in birds at the time."

Insects during the Permian era (about 290 million to 250 million years ago) were huge compared with their counterparts today, boasting wingspans up to 30 inches (70 centimeters) across. The high levels of oxygen in the prehistoric atmosphere helped fuel their growth.

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For comparison, the biggest modern winged insect is a dragonfly from the tropics, which has a wingspan of about 8 inches (20 centimeters) across. [ Dazzling Photos of Dew-Covered Insects ]

To figure out why modern insects are no longer so big, the researchers compiled a database of wingspan measurements of 10,500 fossilized insects from the last 320 million years of insect evolution. The authors found that during the first 150 million years of insect evolution, the wingspans on these insects mirrored levels of atmospheric oxygen; the more oxygen in the atmosphere, the larger the insects the environment could support.

These flying insects need lots of oxygen to support their flight muscles, Clapham said, and since their breathing tubes are inefficient, they need high atmospheric oxygen levels to grow large. The more oxygen in the environment, the more muscle mass the insect can provide oxygen for and the larger the insect can be.

Around 140 million years ago, though, things changed. Insect wingspan stopped depending on oxygen levels and started dropping.

The researchers noticed that this change happened around the same time that birds first took to the skies. About 150 million years ago, the "first bird" Archaeopetryx appeared, and about 25 million years later, the lineage had diversified greatly.

Over time, the birds developed physical features that enabled quick flying and better maneuvering. As a result, they started eating the large insects, and competing with them for food sources.

"These large insects are predatory, and they eat smaller insects. It's possible that birds may have also eaten small insects, as many modern birds do," Clapham said. "If they are competing for the same resource, birds may have been better competitors for these food sources."

A second slump in insect size happened about 60 million years ago, which the researchers think could be related to the evolution of bats, further increases in birds' aerial abilities, or to the mass extinction event that killed the dinosaurs.

The study is detailed Monday in the journal Proceedings of the National Academy of Sciences.

You can follow LiveScience staff writer Jennifer Welsh on Twitter, on Google+ or on Facebook. ?Follow LiveScience for the latest in science news and discoveries on Twitter and on Facebook.

? 2012 LiveScience.com. All rights reserved.

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Census reveals unexpected variety of genes involved in cellular transport

Monday, June 4, 2012

Scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, have conducted the first comprehensive census of human cells' export workers. In a study published online today in Nature Cell Biology, they found an unexpected variety of genes involved in transporting molecules to the cell membrane and beyond.

Using a combination of genetics and sophisticated microscopy, Rainer Pepperkok and colleagues systematically silenced each of our 22 000 genes, and observed to what extent this affected the cell's ability to transport a protein. They found that 15% of human genes somehow influence this transport network ? known as the secretory pathway ? including genes that provide a link to other events in and around the cell. Their findings suggest, for instance, that our cells evolved a complex strategy for adapting to changes in their environment. When a cell senses a growth factor called EGF in its surroundings, a protein on the cell membrane aptly named the EGF receptor is taken from the membrane into the cell, starting a chain reaction that ultimately leads the cell to divide, and during which the EGF receptor is degraded. The EMBL scientists have now found that the process also triggers an increase in activity at the early steps of the secretory pathway to transport newly synthesised EGF receptor back to the membrane, where it will be needed again.

Next, the scientists would like to tease out how mechanisms like sensing the environment, controlling genes and transmitting signals are connected to transporting molecules to the membrane, in an effort to better understand how cells work as whole.

###

European Molecular Biology Laboratory: http://www.embl.org

Thanks to European Molecular Biology Laboratory for this article.

This press release was posted to serve as a topic for discussion. Please comment below. We try our best to only post press releases that are associated with peer reviewed scientific literature. Critical discussions of the research are appreciated. If you need help finding a link to the original article, please contact us on twitter or via e-mail.

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New Miss USA cites Audrey Hepburn as role model

Miss Rhode Island Olivia Culpo waves to the audience after being crowned Miss USA during the 2012 Miss USA pageant, Sunday, June 3, 2012, in Las Vegas. (AP Photo/Julie Jacobson)

Miss Rhode Island Olivia Culpo waves to the audience after being crowned Miss USA during the 2012 Miss USA pageant, Sunday, June 3, 2012, in Las Vegas. (AP Photo/Julie Jacobson)

Miss Rhode Island Olivia Culpo takes part in the swimsuit competition during the 2012 Miss USA pageant, Sunday, June 3, 2012, in Las Vegas. (AP Photo/Julie Jacobson)

Miss Rhode Island Olivia Culpo looks toward the audience after being crowned Miss USA during the 2012 Miss USA pageant, Sunday, June 3, 2012, in Las Vegas. (AP Photo/Julie Jacobson)

Miss Rhode Island Olivia Culpo reacts after being announced the 2012 Miss USA, as Miss Maryland Nana Meriwether applauds during the Miss USA pageant, Sunday, June 3, 2012, in Las Vegas. (AP Photo/Julie Jacobson)

Co-Owner of the Miss Universe Organization, Donald Trump, addresses Miss Texas USA 2012, Brittany Lynn Booker; Miss Tennessee USA 2012, Jessica Hibler; Miss South Dakota USA 2012, Taylor Neisen; Miss South Carolina USA 2012, Erika Powell; Miss Rhode Island USA 2012, Olivia Culpo; Miss Pennsylvania USA 2012, Sheena Monnin; Miss Oregon USA 2012, Alaina Bergsma; Miss Oklahoma USA 2012, Lauren Taylor Lundeen; Miss Ohio USA 2012, Audrey Bolte; Miss North Dakota USA 2012, Jaci Stofferahn; Miss North Carolina USA 2012, Sydney Marie Perry; Miss New York USA 2012, Johanna Sambucini; Miss New Mexico USA 2012, Jessica Renee Martin; and Miss New Jersey USA 2012, Michelle Leonardo; on the last day of rehearsal for the Miss USA 2012 Competition, Saturday June 2, 2012 from the Planet Hollywood Resort and Casino Theatre for the Performing Arts in Las Vegas, Nevada. The 2012 MISS USA Pageant will air LIVE on NBC June 3 at 9:00 p.m. ET from the Theatre for Performing Arts in Las Vegas. (AP Photo/Miss Universe Organization)

(AP) ? The nation's newest Miss USA winner is a Rhode Island cellist who describes herself as a nerd and aspires to be more like Hollywood icon Audrey Hepburn.

Olivia Culpo shares Hepburn's European heritage and dark brown hair and soon they will share something else. Culpo said after winning her crown Sunday night that she plans to go to Tiffany & Co. in New York and recreate Hepburn's iconic opening scene from "Breakfast at Tiffany's."

Culpo, a Boston University sophomore, will take a year off from her studies to tackle her duties as Miss USA and represent the nation in the 61st Miss Universe contest in December. The 20-year-old said she wished she could have shared her crown with her 50 competitors during the pageant at the Planet Hollywood Resort & Casino on the Las Vegas Strip.

Culpo strutted across the stage in a lilac bikini, then donned a flowing fuchsia gown with sparkly trim around her waist and d?colletage. After making it to the final five, Culpo voiced her support for transgender beauty queens during the make-or-break interview round.

"Would you feel it would be fair that a transgender woman wins the Miss USA title over a natural-born woman?" asked celebrity judge Rob Kardashian. The question came from a pageant follower on Twitter, a first for the competition.

Culpo didn't hesitate before embracing the Miss Universe Organization's recent decision to admit transgender contestants.

"I do think that that would be fair, but I can understand that people would be a little apprehensive to take that road because there is a tradition of natural-born women, but today where there are so many surgeries and so many people out there who have a need to change for a happier life, I do accept that because I believe it's a free country," Culpo said.

Culpo said after the pageant that she wasn't put off by the question when she heard it.

"This is a free country and to each their own," she said.

Culpo said she was short and chubby as a girl, but blossomed after a growth spurt. She spent her summers at band camp after learning to play the cello in second grade. Her parents are also musicians, and her love for music saw her perform at Symphony Hall in Boston and Carnegie Hall in New York City.

Culpo is a 2010 graduate of St. Mary Academy Bay View, an all-girls Catholic school in Riverside, where she was a member of the National Honor Society. She said she comes from a big, Italian family and speaks some Italian. On her Twitter account, she describes herself as a nerd and model.

"I was just so surprised, so shocked, so honored to be there," she said of her win.

Rounding out the top five contestants were first runner-up Nana Meriwether of Maryland, second runner-up Audrey Bolte of Ohio, third runner-up Jade Kelsall of Nevada and fourth runner-up Jasmyn Wilkins of Georgia. As Meriwether and Culpo held hands waiting for the winner to be announced, Culpo bit her lip and cringed with anticipation.

Culpo demonstrated an outgoing personality throughout the competition, blowing a kiss and shimmying across the stage during the opening number. She cited Hepburn as her source of inspiration, noting her many years of volunteer work.

"She was beautiful on the outside but also beautiful on the inside," said Culpo, who sang the chorus of "Funny Face" from her favorite movie of the same name after her win.

Miss Iowa USA Rebecca Hodge was named Miss Congeniality, and Miss Oregon USA Alaina Bergsma was named the most photogenic. They both won $1,000, but didn't make the top 16.

The pageant had three competitions: swimsuit, evening gowns and interview question. The contestants were whittled to 16 after the show's opening fashion show number. The contestants were later narrowed down to a field of 10 and then five.

Pop band Cobra Starship performed as the beauty queens modeled their string bikinis. Singer Akon danced with the top five during the evening gown competition.

Culpo had one of the more modest dresses of the contest, with many of the beauty queens wearing revealing gowns with bare backs, high slits and sheer fabric. In contrast, Culpo's flowing gown covered her legs and lower back while revealing some cleavage.

The judge's panel included Chef Cat Cora, TV personality Arsenio Hall and singer Joe Jonas. Andy Cohen and Giuliana Rancic stepped in to host. Miss USA 2011 Alyssa Campanella of California crowned Culpo her successor at the end of the night.

The first-ever transgender contestant to compete in the Miss Universe Canada pageant made it to the penultimate round before losing her bid to win the title last month. She was initially denied entry to Canada's pageant because she was not born female. Donald Trump, who runs the Miss Universe Organization, subsequently overruled that decision.

Miss Universe publicity director Brenda Mendoza has said transgender competitors are now welcome at all of its pageants around the world.

The competition is not affiliated with the Miss America pageant.

Associated Press

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What Happens When You Set Off Every Car Alarm in a Parking Lot at Once? [Video]

What would you do if you were in some random parking lot—Lowe's, let's say—and all of a sudden dozens of car alarms started going off at once? Would you shrug it off like the dead-to-everything city dweller you are? Maybe duck and run and wet yourself because Galactus is obviously coming to devour our planet? Improv Everywhere found out when it pulled the prank for the Guggenheim this past week. The verdict? Fun! But harder to turn off than you'd think. More »


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