UFO Sightings Best Evidence of UFO In Broad Daylight? Flying Metallic Disc Drone? Watch Now!

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cell phones and sexually active

The recent survey of about 1,800 mostly Hispanic L.A. students, ages 12 to 18, found that teens who said they had sexted were seven times more likely to be sexually active than their peers who had never sent a naughty text. About three-quarters of surveyed teens had cell phones they used regularly; 15% had sexted and 54% said they knew someone who had. Kids who said their friends were sexting were 17 times more likely to sext themselves.

Although only a minority of teens engaged in sexting, those who did were not only more likely to be sexually active, but they also had higher chances of having unprotected sex during their last sexual encounter.

(MORE: Kids Sexting May Not Be as Big a Problem as We Thought)

The findings suggest that teens are not necessarily using sexting as a safer alternative to real sex, as some previous data has indicated, which raises public health concerns about the link between digital sexual behavior and real-world risks of sexually transmitted infection and other risks.

“No one’s actually going to get a sexually transmitted disease because they’re sexting,” Eric Rice, the study’s lead researcher from the University of Southern California, in Los Angeles, told Reuters Health. “What we really wanted to know is, Is there a link between sexting and taking risks with your body? And the answer is a pretty resounding ‘yes.’”

Among the study’s participants, those most likely to sext were black teens and LGBT teens. The authors call on parents, doctors and educators to increase conversations about sexting with teens, but they highlight the importance of targeting these particularly higher-risk groups:

Engaging in such a conversation is applicable for adolescents of all sexual orientations; however, it may be even more important with sexual minority adolescents (LGBTQ), as these individuals are more likely to be engaging in both sexting and sexual risk behavior, yet feel less comfortable disclosing their sexual identity and behavior to providers. We encourage providers to not only connect with LGBTQ youth about sexting, but to also stress the importance of protected sex, given their added vulnerability to STIs and HIV.

(MORE: Online Cheaters Still Prefer Real-World Infidelity)

Teens should also be reminded that photos and texts sent over cell phones can easily be made public on the Internet, opening them up to bullying and other risks, including criminal pornography charges. “Sexting may be particularly detrimental for adolescent populations because of the likelihood that sexually explicit material will be quickly shared throughout young people’s technologically active social groups,” the authors warned.

The authors recommend that schools add the topic of sexting to their sexual health-ed curriculum and that doctors use questions about sexting as a way to transition into other conversations about sexual activity.

The study was published in the journal Pediatrics.

Did a Distant Solar System Send Life to Earth? .

DIGITAL VISION

The inner solar system with a visiting comet

(Correction appended Sept. 26, 2012.)

Time was, the solar system was raining rocks. You only need to look at the cratered face of airless bodies like Mercury and the moon to get a sense of the cosmic crossfire that took place back when the local worlds were just forming and much of the debris that helped make them up was still flying free. Even now, planets and moons occasionally swap rubble, with odd bits of, say Mars, blasted into space by a long-ago meteor spiraling slowly in to get snagged by Earth.

This kind of planetary tissue exchange long ago gave rise to the  concept of panspermia — the idea that life on Earth may not have originated here at all, but rather was imported in the form of organic building blocks or even microorganisms from far away. Earth, in turn, may have similarly seeded other worlds. The catch is that the solar system is a limited place, with Earth the only place we know of that’s currently capable of supporting  wandering biology.

(PHOTOS: Snapshots of the Heavens: Amazing Astronomy Images)

Things get a lot more interesting if you expand the pool of candidate worlds to include those in other solar systems. This idea, called lithopanspermia, has always seemed like a nifty possibility, but not one worth much thought. The physics of interstellar transfer are so  complex that it would, for practical purposes, be impossible for any debris to make such a journey.  Or that was the belief. But a new paper published in the journal Astrobiology gives new energy to the lithospermia idea — concluding that  interstellar transfer of life might be a whole lot more possible than anyone expected.

(MORE: Alien Life Discovered in a Meteorite! Or Maybe Not.)

For astrophysicists, the easiest part of both panspermia and lithopanspermia has paradoxically been the biology itself. The universe is fairly awash in water, hydrocarbons and even amino acids — and all of them can be carried aboard free-flying space rubble. In 2011, geologists announced that a meteorite that landed on Earth in 2000 not only contained amino acids and other prebiotic materials, but that all of them existed in different stages of complexity — meaning that the meteor had actually been cooking them up en route, probably with the help of traces of on-board water and heat released by radioactive material.

But if organic cargo can survive — and even thrive — on such a long journey, there’s still the matter of how you ship it from sender to receiver, and here’s where lithopanspermia ran into trouble. Old models of interstellar transfer relied on the idea of rubble being flung out of a solar system by gravitational encounters with large bodies like Jupiter, meaning that they’d be traveling at speeds of about 8 km per second — or nearly 18,000 mph. That’s way too fast for the rocks ever to be captured by the gravity of another star system, even if they did reach one. “It is very unlikely that even a single meteorite originating on a terrestrial planet in our solar system has fallen onto a terrestrial planet in another solar system, over the entire period of our solar system’s existence,” wrote astrophysicist H. Jay Melosh of the University of Arizona in a 2003 paper that attempted to put the lithopanspermia idea to rest once and for all. If our rocks can’t get out, other rocks have no greater chance of getting in.

(MORE: Why Are Tomatoes Red? Blame the Meteor)

That, however, is only if you stick with the old model for how the debris was set free in the first place. A team of researchers from Princeton University, the University of Arizona and Centro de Astrobiologia in Spain took a different approach, developing computer models of a slow-boat transit method known as weak transfer. Under this process, rubble  spirals slowly outward through a solar system until it reaches a spot so far from its parent sun that it requires only a slight perturbation to nudge it into interstellar space. “At this point,” says Princeton astrophysicist Edward Belbruno, one of the authors of the paper, “you’re escaping so slowly that randomness and chaos theory is involved in getting you out.”

The problem is that low speed can also mean slow transit time to the next solar system, with a trip lasting  1.5 billion years or more, longer than even the toughest organic material could survive. About 4.5 billion years ago, however, when the sun was just being born, it was part of a tight grouping of nascent stars known as the local cluster that was comparatively densely packed — and that could have cut transit times dramatically.

“After about 100 to 200 million years, the stars scattered, and the transfer likelihood went dramatically down,” says Belbruno. “But you do have a window.” Encouragingly, analyses of terrestrial rocks reveal that Earthly organics may indeed have formed in the solar system’s comparative babyhood, directly within the departure window.

On its face, the number of rocks that would reach another solar system seems small — 5 to 12 out of every 10,000. But since trillions of rocks per year make the low-speed escape, that means a whopping one billion in that same year might be captured by neighboring worlds — and we could be on the receiving end of similar numbers from elsewhere. It may still be unlikely that anyone alive today will ever meet an alien— but the odds just went up a little that we all could be the aliens.

AFRICAN-AMERICAN AIRLINES.

DALLAS –   Tyler Perry reportedly made an offer to buy American Airlines.  They accepted.  The new airline:  African-American Airlines.

The Texas-based AMR Corporation, the parent company of American Airlines, announced that the company filed petitions for Chapter 11 reorganization in the U.S. Bankruptcy Court for the Southern District of New York, “in order to achieve a cost and debt structure that is industry competitive and thereby assure its long-term viability and ability to continue delivering a world-class travel experience for its customers.”

WWN has learned that wealthy actor-director Tyler Perry has made an attractive offer for American Airlines.  The offer, said to be near $5 billion dollars, was quickly accepted by the airline.

“Mr. Perry made a bold and brilliant move… he is the smartest mogul in the country,” said a source close to American Airlines.  ”No other businessman would have the guts to try to bail out the biggest airline in the United States.”

Perry, the creator of the “Madea” character and the “House of Payne” sitcom, reportedly plans to rename American Airlines – African-American Airlines.  The new Perry run airline will be targeted to African-American passengers, but industry experts say that many white, asian and latino passengers will want to fly the airline, “just to be cool.”

Sources close to American Airlines said the sale to Perry is in the best interest of  the company and its shareholders.

Perry said he will not only be the CEO of the new airline, but he also will be the CFO, the COO, the CIO, the director of human sources and, of course, he will pilot many of the AAA flights.

American said it is operating normal flight schedules, honoring tickets and reservations, and making normal refunds and exchanges – during the transition period.

Perry reportedly said he will slowly implement new changes.  ”I want every flight to be a positive experience for all passengers and I hope to turn every flight into a morality play of sorts.”

How will Perry turn a flight into a morality play?  ”He hasn’t figured that out yet, but there will be a Madea character on every flight,” said Perry’s limo driver.

This will be Perry’s first airline, but sources say he plans to buy an airline every year for the next twenty years.