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Malcolm Ritter

Will ‘young’ blood someday help humans?

NEW YORK – If Mickey Mouse is feeling his age at 86, scientists may have found just the tonic: the blood of younger mice. Older mice got stronger, exercised longer and performed b...

Hey, guys: Drinking may dumb you down

Not enough females had participated in study to count

Pot may cause changes in brain, study suggests

NEW YORK – A small study of casual marijuana smokers has turned up evidence of changes in the brain, a possible sign of trouble ahead, researchers say. The young adults who volun...

‘Chicken from hell’ gets a proper name

NEW YORK – It’s called the chicken from hell: a birdlike dinosaur some 7 feet tall that weighed around 500 pounds when it roamed western North America on its long, slender hind legs. ...

Discovery gives us peek at ‘very beginning’

NEW YORK – Researchers say they have spotted evidence that a split-second after the Big Bang, the newly formed universe ballooned out at a pace so astonishing that it left behind ripples in ...

Nuclear fusion hopes rise

NEW YORK – Scientists say they’ve taken a key step toward harnessing nuclear fusion as a new way to generate power, an idea that has been pursued for decades. They are still a lo...

Flap artists

Birds benefit from syncing wing beats in V formation

Cat-mouse game might explain how felines got tame

NEW YORK – A cat-and-mouse game played out in a Chinese village some 5,300 years ago is helping scientists understand how wild felines transformed into the tame pets we know today. ...

Ancient DNA raising hopes

NEW YORK – Scientists have reached farther back than ever into the ancestry of humans to recover and analyze DNA, using a bone found in Spain that’s estimated to be 400,000 years old. So far...

Doggone debate continues

NEW YORK – For years, scientists have been dogged by this evolution question: Just where did man’s best friend first appear? The earliest known doglike fossils come from Europe. B...

HIV-like virus suppressed in monkey experiment

NEW YORK – Doctors may one day be able to control a patient’s HIV infection in a new way: injecting swarms of germ-fighting antibodies, two new studies suggest. In monkeys, that s...

Shh: Naps may help preschoolers learn

NEW YORK – Any parent knows that a daytime nap can help keep preschoolers from getting cranky. Now a small study suggests that it helps them learn, too. The lesson for grown-ups:...