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Mathematician Solves Sudoku
 Mathematician Solves Sudoku 
Mar 16, 2009 1:11 PM CDT

Mathematician Solves Sudoku

(Newser) - A mathematician has devised a foolproof method for solving Sudoku puzzles, USA Today reports. The stimulating mental challenge of the game has attracted millions of fans all over the world, but, from a mathematical perspective, “the interesting fact about Sudoku is that it is a trivial puzzle to solve,...

Exposure May Tame Peanut Allergy

Some children allergy free after new treatment

(Newser) - Peanut allergy treatment may be just a few years away, now that preliminary studies have discovered that some children can develop tolerance with minute doses of peanuts under careful clinical supervision, say researchers. Peanut and tree nut allergies limit the diets of 3 million Americans, the New York Times reports....

Rock-Throwing Chimp 'Proves' He Can Plan

(Newser) - A male chimp in Sweden has stirred excitement by storing a cache of stones to hurl at visitors, the BBC reports. Santino, a chimpanzee in a zoo north of Stockholm, proves that animals can prepare for future events, said scientist Mathias Osvath. "These observations convincingly show that our fellow...

What Not to Name Your New Baby

Researchers find the most poorly named among us

(Newser) - Naming your child Anna Sasin, Paige Turner, or Hazel Nutt may seem funny, but they're Terry Bull ideas. Those are all real names in British phone books—and the jokes are no laughing matter for the people stuck with the monikers, researchers with TheBabyWebsite.com say. The kidding "got...

Vitamins Lower Risk of Vision Loss: Study

B vitamins, folic acid shown to decrease macular degeneration

(Newser) - Folic acid and two B vitamins lowered the risk of vision loss in middle-age women who took the supplements for several years as part of a study, the Boston Globe reports. The study by researchers at Harvard Medical School and Brigham and Women’s Hospital found that the combination lowered...

Coffee: Good? Bad? Whatever. Just Don't Smoke

No need to obsess over every study, experts say

(Newser) - It can seem impossible to sort through the health news that comes out every day: Is coffee good for you? Is it bad? Does this or that give you cancer? The best solution, for now, may just be not to worry about it, Trine Tsouderos writes in the Chicago Tribune....

Stop Shopping, Spend $$$ on Good Times: Study

You'll be happier buying experiences

(Newser) - Can you buy happiness? Maybe, but don't try buying it at the mall, according to a new study, which concludes that spending money on experiences—like a vacation or a night out—will make you happier than spending it on shoes. Researchers say that’s likely because experiences tend to...

Nature Makes Us Smarter, So City Folk Are...

(Newser) - Watching bears eat spiders on TV is fun, but do nature shows help restore our lost link with the natural world? Studies show that screen images of the great outdoors help workers relax and think clearly; an actual window onto leafy environs helps them destress even faster. "But what...

Study Links Cannabis to Testicular Cancer

THC may intercept cancer-fighting chemicals

(Newser) - Cannabis use has been linked to a significant increase in the risk of developing testicular cancer, the Independent reports. Those who light up have a 70% higher risk of getting nonseminoma cancer—found in younger men—and the odds worsen with frequency and duration of use, the research has found....

More Students Get Fix From Study Drugs

Adderall, Ritalin used to boost concentration despite health risks

(Newser) - Attention-deficit disorder drugs such as Adderall and Ritalin are gaining popularity on college campuses as an easy way for students to knuckle down, NPR reports. The drugs offer a “perfect kind of transition into a study mentality,” says one student, and can make work more pleasurable. But they’...

Men Smell Like Cheese, Women Like Onion

Find an animal that smells like tomato and voila—pizza!

(Newser) - Working out at the gym may stimulate your appetite—or maybe it's the enticing scent of the person next to you. Sweaty men smell of cheese, and sweaty women smell like onion or grapefruit, New Scientist reports. Body chemistry accounts for the difference, say Swiss researchers who based their conclusions...

Teen Sex: Everybody Else Isn't Doing It

Teen sex is on a downswing

(Newser) - Kids these days, with their sex, their sex, and all their sex. Just look at Jamie Lynn Spears and Bristol Palin—it’s getting worse all the time, right? Nope. The portion of high-schoolers who’d had sex in 2007 was 47.8%, reports the New York Times—down from...

Babies Ready to Rock at Birth

Infants can perceive rhythmic regularity

(Newser) - Babies are born ready to get in the groove, a new study suggests. Researchers played repetitive rock beats for infants, and when “metrically-unimportant” aspects of the music were absent, the babies’ auditory activity didn’t change much. But if there was a shift in the rhythm—for instance, if...

As Temperatures Rise, West's Trees Dying Faster

New study paints dire picture for US forests which are releasing carbon dioxide—not storing it

(Newser) - America’s trees are dying at an alarming rate in the nation's western forests, a new study says. Death rates have more than doubled over the last two to three decades, Time reports, even in seemingly healthy locales. All types and sizes of trees, and at all elevations, have been...

Want a Traffic Ticket? Buy a Hummer

Drivers of burly SUV 4.63 times more likely than average to get in trouble with law

(Newser) - Hummers and Scion’s tC top a list of cars most likely to receive moving violations, the Los Angeles Times reports. A study links tickets to size and power—the Hummer is one of the biggest “cars” on the road—and driver age, which applies to the Scion, marketed...

Cute Dog Craze Yields Dumber, Weaker Breeds

Shift from function to fashion impairs dog brains: study

(Newser) - Humans' quest for beautiful, quirky "leash candy" is making man's best friend dumber, weaker, and more introverted, reports the Times of London. Bred less and less to be hunters, guard dogs, and herders, current breeds can do little more than look pretty, a Swedish study of dog behavior has...

Abstinence Vows Don't Work: Study
Abstinence Vows Don't Work: Study
Dec 29, 2008 4:07 PM CST

Abstinence Vows Don't Work: Study

Teens who pledge purity still do it, and they use protection less

(Newser) - Taking an abstinence pledge made teenagers no less likely to have sex before marriage but significantly less likely to use contraceptives when they did have sex, the Washington Post reports. “Previous studies would compare a mixture of apples and oranges,” said Janet Rosenbaum, the author of a new...

Blind Man Walks Obstacle Course Using 'Blindsight'

(Newser) - A blind man has surprised scientists by walking an obstacle course with the strange power of "blindsight," the Times of London reports. The man, blinded by brain-damaging strokes, cleanly walked the course without using a cane. He had already baffled experts by reacting to people's facial expressions. “...

Racial Identity Shifts With Social Status

Who is seen as black or white can change over time, study finds

(Newser) - Racial identity isn't set at birth—it's a malleable perception that changes with one's social status, a university study has found. Over 23 years, 12,700 people were asked to identify themselves and others as black or white. One-fifth switched their answers over time, often deeming people black if they...

Transit Ridership Soars—for Now

Plummeting gas prices haven't driven us back to cars ... but now fewer have jobs to commute to

(Newser) - Dramatic increases in public transportation ridership have outlived sky-high gas prices, but the souring economy could reverse the trend, USA Today reports. Nationwide, third-quarter ridership was up 7% compared to last year, spurred by $4-a-gallon gas in July. Some municipalities saw almost 20% more commuters on their trains and buses....

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