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  • For patients who need bone grafts, a 3D-printer could come to the rescue

    For patients who need bone grafts, a 3D-printer could come to the rescue

    Scientists have 3-D-printed splints for babies’ airways, faux brains to study cortical folding — and now they’ve done it with bone. A team of researchers at Northwestern University has created a highly flexible artificial bone that helps speed up recovery and that can be easily manipulated by surgeons...

  • Teen birth rate in the U.S. hits record low for 7th consecutive year

    Teen birth rate in the U.S. hits record low for 7th consecutive year

    The birth rate for U.S. teenagers hit an all-time low in 2015, the seventh straight year a new record has been set.  Overall, there were 22.3 births for every 1,000 young women between 15 and 19, according to a report released Wednesday by the Centers for Disease Control and Prevention. That represents...

  • Baby boy with DNA from 3 people offers hope for moms who would pass on deadly genetic diseases

    Baby boy with DNA from 3 people offers hope for moms who would pass on deadly genetic diseases

    A healthy baby boy is the first person to be born with DNA from three people, according to a medical report released Tuesday. In addition to inheriting nuclear DNA from his mother and father, the infant also has mitochondrial DNA from a second woman who served as an egg donor. Mitochondrial DNA...

  • Narcissists may start out popular, but people see through them in the long run

    Narcissists may start out popular, but people see through them in the long run

    To build a following, narcissism works. Briefly. But if, as they say in this electoral season, you’re looking to “grow your base,” exercising emotional intelligence — expressing empathy, checking your emotions in a bid to avoid conflict, and investing in personal relationships — is a strategy that...

  • In addition to fueling aggression, testosterone can also make men more generous, study says

    In addition to fueling aggression, testosterone can also make men more generous, study says

    Testosterone, the big daddy (if you will) of male hormones, has gotten a bit of a bad reputation, what with it being linked to bluster, aggression, violent offending and a whole raft of behaviors at which men do seem to best women consistently. But in humans, new research suggests that’s not the...

  • Try riding a roller coaster to dislodge those painful kidney stones

    Try riding a roller coaster to dislodge those painful kidney stones

    Just ask any one of the 300,000 Americans who, in any given year, develop kidney stones: What if the excruciating pain of passing one of those little devils could be prevented by strapping yourself into a make-believe runaway mine train, throwing your hands in the air and enduring G-forces as high...

  • How the moon and big tides could be a trigger for big earthquakes

    How the moon and big tides could be a trigger for big earthquakes

    It’s one of the most enduring mysteries in earthquake science: Why do small earthquakes stay small, while others grow into monsters? A group of researchers offered a partial, but tantalizing answer this month: The moon and big tides. How does this work? The scientists zeroed in on times of high...

  • Does Pluto have a hidden ocean? Its 'heart' holds a clue

    Does Pluto have a hidden ocean? Its 'heart' holds a clue

    Pluto’s “heart” is spilling its secrets. Scientists using data from NASA’s New Horizons mission have found more evidence that there may be an ocean beneath the dwarf planet’s surface. The findings, published by Geophysical Research Letters, could shed light on the internal mysteries of this frigid,...

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