they are deploying dozens of air monitors all over this state. and the feds have flown in a plane that takes instant radiation samples. some are worried not just about the barrels o of nuclear waste stored at the lab -- >> two, one. >> reporter: but what's in the canyons that surround the sprawling complex. so-called legacycy contaminatio. from nuclear tests dating back to the 1940s. >> the trees have grown up during that time frame. and the soils could alsoo be contaminated. if theheget heated and that stuff goes airborne then we are concerned about that. >> reporter: the canyons were dumping grounds for radioactive material decades ago but are now open to the public and considered safe. still, a nuclear scientist armed with a geiger counter made this youtube video in one of those canyons. >> there is no shortage of metal, no shortage of radioactivity. >> reporter: much of this area burned back in 2000, and no higher levels of radiation were detected then. everyone here is hoping the same holds true this time. ryan owens, abc news, los alamos, new mexico. violent protests lasted long into the night in the capital of greece after the government approved a new round of budget cuts and tax hikes. the deal will free up enough international money to keep the government going until september. public sector salaries and pensions have been cut in the past year and unemployment is above 16%. a new study out this morning finds a chemical that was withdrawn from the u.s. market seven years ago is still very much present in the workplace. researchers tested 31 offices in boston for the presence of pbde and found it in every single one of those offices. now, the chemical was used in computers, furniture, also carp carpeting. it has since been linked to thyroid and hormone changes. brace yourselves. >> this is our breaking news story. >> fasten your seat belt. there are new clues this morning about what's causing the growing epidemicof obesity in this country. >> turns out it all has to do with how much you eat. if i'd only known. here's john berman. >> reporter: you ever wonder why disco died? why we no longer dance like john travolta in "saturday night fever"? maybe because we can't fit in the outfits. the new study out of north carolina finds we're eating 570 more calories every day, every day, than we did back in 1977. the year "saturday night fever" came out. so what changed? first of all, portions. >> we are used to seeing more on our plates. there are, we eat it. when it's in front of us, we consume it. >> reporter: we don't just consume it once but all the time. we're a society of snackers. >> we have food everywhere. they're at gas stations, movie theaters, we've got it at the coffee shops. >> reporter: so what does 570 calories look like? think a quarter pounder with cheese. this bag of chips. a couple of bottles of soda. americans are adding that to their guts and elsewhere every day. which all makes for some very wad math. 570 a day is nearly 4,000 calories a week. which is how much, exactly? >> that's the equivalent of one pound. that's for one week. >> reporter: remember, there are 52 weeks in a year. no wonder the rate of obesity in america has doubled since the '70s. no wonder no one wears outfits like this. ♪ more than a woman >> reporter: we'd probably spill food on them anyway. john berman, abc news, new york. >> how about that. you eat too much, it packs on the pounds. >> that is so bizarre. >> who knew? >> i'm actually on the see food diet. that's excellent, i highly recommend it. >> old one. a frightening experience -- just trying to keep it together here -- for an american tourist australia. he was shore anknorkeling on th barrier reef when the dive company accidentally left him behind. >> this is why i stay on the shore. the michigan man said he was a moment of panic, then he swam to another boat and was rescued. the staff member who failed to do a head count has been fired. g'day, mate, see you later. >> don't let the barracuda get you. put another tourist on the barbie. here's a look at your weather. as tropical storm arlene hits mexico, south texas gets up to 3 inches of rain. thunderstorms from the gulf coast into south carolina. windy with hail and heavy rain from the dakotas to the northern rockies. showers from seattle to portland. that sounds unusual. extreme heat from oklahoma to minnesota. >> and if you were wondering, yes, we are listening to a song from "grease." 80 in boston. 92 in atlanta. triple-digit highs in dallas and phoenix. 98 in colorado springs. 78 in salt lake. >> can you sing "o canada" if we were to do that now, speaking of singing? ♪ o canada >> it would be a pleasant 5 in ottawa, canada, where prince william and his bride will arrive later today. it will be the first official trip for the new duke and duchess of cambridge. >> the royal company have a week's worth of events to attend in canada, which is part of the british common welt, of course. >> technically. >> and next friday they will travel to california for a three-day stay. we can't wait to have them hit the states. kate's first time. >> they're coming here. they're going to be a guest on this show. >> that's right, we're going to book them on the overnight. they can't't wait. >> they put their best foot forward and socked it to the competition. >> an english country pub w w the setting of a 16th annual toe wrestling world championship. i can barely look at this. >> for some people this is like a fetish. >> this is just gross. competitors faced off on a specialty designed toe-dium. a man called the preda-toe upset the six-time champion. >> on the women's side bragging rights went to a contestant who calls her twinkle toes. >> do you have to wash your feet beforehand? is that one of the rules? >> i hope so. the only toes i like -- >> should we try a little foot wrestling? >hat's okay. >> we'll do it during the break. i've got to get my shoes off. hó amanda knox, the american exchange student who's serving a sentence for murder in italy, has won a crucial court victory. >> the dn after the evidence used to convict her in the death of her roommate has been ruled unreliable and possibly contaminated. this took place in an independent review of the evidence that could help overturn knox's conviction and may lead to her freedom. that will not happen before september. another high-profile case here in the u.s., casey anthony's attorneys could rest their case in her murder trial today. >> that's right. once again, yesterday anthony's father was questioned. abc's t.j. winick joins us now with all the details. >> reporter: good morning, peggy and daniel. jury in the casey anthony trial could get the case sometime next week. it was an emotional day for casey anthony's father george. forced to recount that day in december 2008 when his granddaughter caylee's remains were finally found. >> up to that moment, had you held out the hope that caylee would be found alive? >> absolutely. every day from july 15th until the day we were told -- it was >> reporter: the former police officer gave some of the most damning testimony yet against casey. on trial and facing the death penalty for the murder of her 2-year-old daughter. >> casey was the last one that i saw with caylee. one and one adds up to two, sir, in my mind. no matter how you're trying to spin it. >> reporter: george anthony became emotional again when questioned about his suicide attempt in january 2009. >> i needed at that time to go and be with caylee. >> and you expressed that in the note? >> yes, i did. because i believe i failed her. >> reporter: and why he had bought a handgun after little caylee went missing. >> i wanted to get answers from people that i believed were involved with my grand daughter missing. >> reporter: throughout his testimony, casey anthony simply shook her head. we should soon learn if she will take the stand in her own defense. >> saw her nodding in court. clearly recognizing, clearly understanding, that this is -- you know, this is the big moment. >> reporter: once the defense rests, the state will call rebuttal witnesses. that could take one or two days. the attorneys will then make their closing arguments. coming up after the break, do magazines go too far with photo shopping? >> some health professionals are saying yes. and it can actually be hazardous to your health. more "world news now" in one minute. next here this morning something all of us have dealt with from time to time, that picture that you wish you had never taken that maybe you don't look to good in. >> maybe it was unflattering, maybe you look fat. that's where photo shopping comes in. >> now the nation's doctors are saying that's not a great idea. >> reporter: it's a guilty little pleasure. unmasking the truth behind those photo shopped pictures in glossy magazines. but could these unrealistic images actually be bad for our health? the highly respected american medical association says we're doing just that. hurting children by allowing these images to surround us. >> photo shopping, especially as it's related to children, adolescents, gives them anunrealistic expectation of what they might expect to look like as they grow up. >> reporter: the ama is launching a call to action, telling advertisers to cut down on photo shopping images in ads and magazines marketed to teens. because of the number of studies linking eating disorders and other health problems to these highly manipulated images. and really, how can we compete? when even picture-perfect kate middleton wasn't perfect enough for this magazine. look at how they sucked in her already tiny royal waist. >> i do feel that it promotes an unrealistic expectation of what women like myself, young women, should look like. >> reporter: dove's campaign for real beauty won over consumers by showing all that goes into gorgeous. but in an age off digital manipulation, where editors doctor images with the precision of surgeons, is it possible to rein it in? "lucky" magazine thinks so. their cover features christina hendricks in all her unphoto shopped, curvacious glory. >> advertisers and magazines alike want to establish a trust with their readers. by photo shopping something within an inch of its life action you're doing a disservice to the person you're trying to target or get to read your magazine. >> reporter: bottom line, while we may think that there's little damage in a virtual nip and tuck, doctors say that for real kids, this kind of damage can be irreversible. peggy, daniel? >> i really have to agree with that. i remember growing and up looking at a "seventeen" magagane or something that teenagers look at and feeling a lot of pressure because i did not think that i looked like the women in the magazines. turns out they didn't look like the women in the magazines either. >> technology has advanced so far it's seamless and you almost can't tell when they're using photo shop organize something like that. >> i think young girls are much more susceptible to this than the guys growing up. smk to pay attention to. when we come back, nerd alert. hoveround power chair? the statue of liberty? the grand canyon? it's all possible ith a hoveround., tom: hi i'm tom kruse, inventor rand founder of hoveround., when we say you're free to see the world, we mean it. call today and get a free overound information kit, that includes a video and full color brochure. dennis celorie: "it's by far the best chair i've ever owned." terri: "last year, 9 out of 10 people got their hoveround for "little or no money." jim plunkitt: "no cost. absolutely no cost to me." breaking news...when you call today, we'll include a free hoveround collapsible grabber with the purchase of your power chair. it reaches, it grabs, it's collapsible and it's portable. it goes wherever you go. get it free while supplies last. call the number on your screen to get your free video, brochure and your free hoveround collapsible grabber. call the number on your screen. they're itchy, dry and uncomfortable. i can't wait to take 'em out, throw 'em away and never see them again. 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"world news now" delivers your "morning papers." >> time now for your "morning papers." we start with a -- really actually a very heartwarming story. >> this is bringing out your inner romantic. >> and the inner geek to go with it. this is about a competition put together by nokia. they held a competition where people had to -- aspiring filmmakers had to use their nobody kia cell -- nokia cell phone to shoot this entire film. this j.w. griffiths -- this director put it together. it's actually pretty cool. you're seeing two different perspectives of two different people as they come together in the end and meet up with each other. >> it's a love story. >> it is a love story. it's called "split screen, why a love story." >> see? i like, that romance. it's all about that. in the love story was the woman because that's our next story. we're talking about these lubitens. >> you're wearing a pair right now. >> they're definitely not eight inches tall. take a look at these shoes. this is just radocklus as we say. lubitan is the guy who put the red on the bottom of shoe soles. >> oui, oui. >> which took off in fashion. they are being auctioned off with a number of other fashion items for the english national ballet. is anybody supposed to wear these? it's going to have to be a ballerina. >> stand there and pose in them. >> those shoes feel like those poodle dogs. don't they? >> let's move on. we've been talking about these 150 turtles that ended up on a runway at jfk airport. >> turtles on the tarmac. >> evidently they're very techie. these turtles know how to use twitter. what turtle doesn't use twit over a regular basis? in this case they're tweetininin response to aebs's katie couric who asked, hey jfk turtles, what are your plans for july fourth? the turtles said, we're having a barbecue at the beach outside runway four, bring the family. they also talked at one point how it takes forever to get their shell on and off at security so they went straight to the runway. >> i too was wonderinghat the turtles were doing for the fourth. now we a a know. if you want to logon and see what the turtles are up to you can tweet the jfk turtles. this last story is about this comic book. >> it's actually a comic book that celebrates s.e.a.l. team 6 after the raid on osama bin laden. >> based on a book but very super-secret s.e.a.l.s. >> more comic book news. >> we're going to tweet now real (sound of computer alert tone) hey girl. heard you and your boyfriend split. do i know you? hey, saw you changed your status to single. wanna go out? hang on. you trash - you never deserved him. go to him... beg him to take you back. you're incomplete without him! excuse me... (sound of door slamming) this is what happens when you spend too much time on boys and not enough time on studying! so i always thought he was a creep. he's a creep right, and i'm telling like everyone that he was a creep to you. and that's what i'm telling everyone. i'm here for you. us girls have to stick together. when you post online it's like opening your front door to... well, everyone. if you need help call this morning on "world news now,"" radioactive smoke? firefighters battle the blaze outside the nation's top nuclear lab. >> as flames spread, so does now the fear of smoke tainted with nuclear material. it is thursday, june 30th. >> from abc news, this is "world news now." >> good morning. i'm daniel sieberg. rob nelson is on assignment. >> i'm peggy bunker. wildfires in new mexico continue to burn overnight creepingngloser to the nuclear lab that was the birth place of the atom bomb. how close is it now to the area that holds 20,000 barrels of nuclear waste? the latest is coming from los alamos. we've got the details there. everybody is watching this situation to see what will happen next. >> very unsettling for folks there. in his first formal press conference in months, president obama took questions on everything from afghanistan to the economy. but why did he compare congress to his two young daughters? sasha and malia? we'll show you why. and needless to say the republicans, not so happy about his insinuation. has a little something to do with vacation time. >> there you go. also coming up, the fourth of july holiday weekend is coming up. we have everything that you need to know to add some fireworks to your barbecue. take a look at this yummy dessert. >> i feel like i volunteered to do this assignment. and yet you ended up doing it. how did that happen? >> see those firecracker shrimp? we've got the recipe there. enoch tails that you can make red, white and blue. >> that looks amazing. >> doesn't that look good? delish. the first fire crews are working around the clock to keep that raging wildfire from reaching los alamos nuclear lab. >> fire is alrlrdy burning in the surrounding areas that were used for nuclear testing dating back to the 1940s. diana alvear joins us with more. >> reporter: of course the big fear here right now is what's going to happen to the radioactive waste at los alamos national laboratory? ofofcials are saying there's nothing to be concerned about. but they are not taking any chances. the battle lines are being redrawn in new mexico. >> the fire is moving up towards santa clara canyon. >> reporter: fire crews are taking a multi-front approach to containing the massive has conchess fire. flames are two miles from the los alamos national laboratory and nuclear weapons facility. the smoke is visible from space. and what's in that smoke has prompted an all-out investigation. the environmental protection agency is using air monitors and special aircraft to test for radiation. so far, they've detected nothing out of the ordinary. >> our facilities, our nuclear materials, are all safe. they're accounted for. and they're protected. >> reporter: this is the area that's of most concern. it's called storage area "g." where as many as 30,000 drums containing plutonium-contaminated waste are stored above-ground. and right now the fire is s out three miles away. >> the bulk of the drums here truly are things like notes that are contaminated, gloves, materials that you don't necessarily think of as being -- there are no ingots of plutonium there. >> reporter: the drums are kept there until they're shipped to a secure facility. los alamos officials are downplaying any fire threat to this material. >> the worst scenario we have now is property damage that comes from the fire. i do not believe that there is any specific danger to the public from our activities at los alamos. >> reporter: the laboratory remains closed and the town is under a mandatory evacuation order. as crews cut down the brush and set controlled burns, hoping to choke off the fire for good. and the governor said all results from those air quality tests will be posted on their state's website. and, so far so good, nothing out ordinary has been detected. peggy, daniel? now to a major victory for the health care reform law. a federal appeals court ruled that the government can require americans to buy health insurance. >> how about that. the suit was brought by a conservative group that argued that the mandate was unconstitutional. but the law faces several more legal challenges. it will likely end up before the supreme court. did you watch a little bit of the president today? >> i missed it. i didn't see that. way to put me on the spot, daniel. >> probably when you were sleeping. >> yes, thank you. >> top democrats in the senate say they'll consider working through next week's july fourth vacation on the looming budget crisis. >> during this news conference, which apparently i missed, it happened yesterday, the president called for an agreement that cuts spending and also raises revenues. mr. obama challenged lawmakers to follow the example set by his daughters. >> malia and sasha generally finish their homework a day ahead of time. they don't wait until the night before. they're not pulling all-nighters. they're 13 and 10. you know, congress can do the same thing. if you know you've got to do something, just do it. >> speaking of pulling all-nighters. the leading republican in the house, john boehner, shot back that the president was ignoring reality. >> wait till those two are into their teenage years more, they'll be pulling all-nighters at some. >> then you're into college and studying and up all night. overseas where protesters in greece have fought with police late into the night. >> they are angry over drastic new budget cults just approved by the government. alex marquardt reports now from the streets of athens. >> reporter: it was a close one but it passed. with just 155 votes out of 300, the greek parliament passed a deeply unpopular $40 billion austerity package that will mean deep spending cults and higher taxes for greeks. outside the parliament building, demonstrators made it clear how they felt. widespread clashes for the second day in a row amid a two-day general strike. riot police were taunted, pelted with rocks, orange smoke grenades, and monthly low to have cocktails. they responded with waves of tear gas and stun grenadeds. most of these prpresters clashing with police are anarchists. it's a good illustration of how deeply unpop already this government and their proposals are. it's not just austerity measures that have infuriated this crowd but a proposed $70 billion worth of sales of state assets. airports, railways, and gold mines. these measures are necessary for greece to keep getting billions in international bailout money, crucial to avoid defaulting on its debts and dragging down the european and global economies. >> you have to take into consideration a very sad reality. the greek government is not governing greeks anymore. greece has been governed by the european union. >> reporter: this vote is just the first step on a long and uncertain road to recovery for greece. one that will take years and see more violent days like this one. alex marquardt, abc news, athens. okay, let's shift gears. you finished up your myspace profile by the way? >> i have a facebook profile, does that not count? >> we love wnnfans. go to our site. let's talk about myspace. pop star justin timberlake is now part-owner of the fading social network. he's teamed up with an online advertising company that hopes to bring it back to life. good luck. >> the priri tag on this one, $35 million. that's a fraction of the $580 million that news corporation paid for myspace six years ago, just before it was eclipsed completely by facebook. >> rupert murdock just wants to get this off the books. >> facebook seems to be everywhere. >> exactly. tropical storm arlene is gaining strength as it barrels toward mexico. it's making landfall this morning along the northeastern coast. >> now arlene is expected to pound mexico with heavy rains that could kaz flash floods, mud slides. it's not hitting the u.s. directly but brownsville and other cities on the southern tip of texas will see drenching rain. >> seems like a good time to transition into weather. here is your thursday forecast. severe storms with gusty winds and hail from the dakotas and the northern rockies. rain stretches down to northern new mexico. showers in the pacific northwest. popup thunderstorms along the gulf coast. it all seeps in keeping with tradition. heat advisories and warnings from oklahoma to minnesota. >> do i hear what i think i hear? "tell me more" from the movie "grease"? this is turning into a great day. 90s from minneapolis to kansas city. 101 in dallas. 82 here in new york. 92 in atlanta. phoenix heats up to 106. albuquerque 97. boise 78. >> you got really excited about that. >> i probably know that song word for word. i know. want you to sing that. weather i >> i will. now to a contest where just about everyone was expected to crack under pressure. brace yourselves, there will be re of these. >> people from around the world scrambled to a rural english village for the annual world egg-throwing championships. they competed in six categories including egg russian roulette. contestants don't know if the egg they're smashing into their headings boiled or raw. that is the real difficult one. >> you just don't know. >> you don't know what's going to happen. >> here's the thing, all yolks aside, they're trying to be recognized as a real sport, make it into the olympipi. come on. >> are you serious? >> this and the luge. >> middle school where you drop the egg from the top of the roof. >> or carry out a spoon or something like that. there's lots of possibilities here. >> lots of fun with eggs to be had. >> gold medal in agency-carrying. >> we'll be right back with more "world news now." to wimbledon now where roger federer was cruising, winning the first two sets of his quarterfinal yesterday, then the wheels came right off and joel alfred saga of france came storming bag. sending federer home. the last american was ousted yesterday. mardy fish fell to rafael nadal. the men's semis are tomorrow, the women's semis a a today. >> nadal is killing it lately. talk about the big tennis stars at wimbledon, they would not have it so good if it wasn't for a certain feathered friend. >> have no fear, rufus is here. simon jack of the bbc tells us more. >> reporter: meet the real hawksy. rafael and maria can get on with their job. while all england club staff prepare the hallowed ground of center cocot, look sky wards and you'll see one employee doing a little airborne maintenance. he works for long-time bird enthusiast wayne davis to clear the pigeons who aren't afraid of a few club officials. but they are scared of rufus. an american harris hawk. and it's twinning that primeval fear with a passion for birds that has turned that into a full-time commercial business which works all year round. how was that? another employee was hanging out as wayne explainedhow the whole thing started. >> my wife donna was watching tennis and they were literally swiping pigeons off the baseline. they're always looking for opportunities. flew one of the falcons for them, cleared the place. they thought, this is great, and they've been there ever since. >> reporter: as you follow the action today, don't worry, rufus has already dealt with the uninvited guests. >> very cool. >> yeah. when we come back we get all fired up for barbecue season and with america's chief entertaining officer. >> tim layered has some recipes that will add fireworks to your fourth of july party. you're watching "world news now."