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  • Aging
  • Pluto
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  • News

    Age isn’t just a number

    Some people age faster than others, a long-term study of New Zealanders reveals. But there’s good news for the rapid agers: Studies in mice indicate there may be ways to slow the aging rate.

    Like a class reunion photo, a physiological snapshot of 954 people born in Dunedin, New Zealand, in 1972 and 1973 shows that time has been kinder to some people. The calendar indicated all those...

    07/07/2015 - 07:00 Physiology, Health, Neuroscience
  • Science Ticker

    New Horizons recovers from overload, is on track for Pluto flyby

    The New Horizons spacecraft sent back three of the most detailed images of Pluto to date shortly before the probe entered a safe mode on July 4. The pictures, taken when New Horizons was about 13 million kilometers from the dwarf planet, show three different swaths of the icy surface as Pluto slowly rotated on...

    07/06/2015 - 17:49 Planetary Science
  • News in Brief

    Beta Pictoris planet makes waves

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    A giant planet is making a splash in the belt of debris orbiting the young star Beta Pictoris. Spiral waves driven by the planet whip around the dusty disk, researchers report online June 24 at

    Like a pebble dropped into water, the planet sends out ripples through the dust and rock...

    07/06/2015 - 12:00 Astronomy, Exoplanets
  • News

    Magnetic test boosts case for record-setting superconductor

    A promising material for conducting electrical current without resistance at a relatively high temperature has passed a crucial test. New magnetic measurements, detailed by German physicists in a study posted online June 26 at, indicate that pressurized hydrogen sulfide is a superconductor at roughly 200 kelvins.

    The fresh data...

    07/06/2015 - 08:30 Condensed Matter
  • How Bizarre

    Plastic shell lets roach-bot squeeze through gaps

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    Cluttered terrain won’t block this cockroach-bot. A sleek, rounded shell lets the six-legged robot scurry through tight spaces, researchers from the University of California, Berkeley report online June 22 in Bioinspiration & Biomimetics.

    The robo-roach is short and squat...

    07/06/2015 - 07:00 Robotics, Technology
  • Wild Things

    Seabirds may navigate by scent

    Seabirds called shearwaters manage to navigate across long stretches of open water to islands where the birds breed. It’s not been clear how the birds do this, but there have been some clues. When scientists magnetically disturbed Cory’s shearwaters, the birds still managed to find their way. But when deprived of their...

    07/03/2015 - 07:44 Animals
  • Science Ticker

    Why seahorses have square tails

    Hammering and squishing 3-D printed seahorse tail segments reveals what’s so great about being square.

    Angled bones hitched together in a flexible string of squares create protective cages that are four times stronger than rounded ones, researchers report July 3 in Science. That’s the conclusion from...

    07/02/2015 - 14:34 Animals, Biophysics, Evolution
  • News

    Wrinkled brain mimics crumpled paper

    Cramming a big brain into a skull may be as easy as just wadding it up. The same physical rules that dictate how a paper ball crumples also describe how brains get their wrinkles, scientists suggest July 3 in Science.

    That insight, arrived at in part by balling up sheets of standard-sized A4 office paper...

    07/02/2015 - 14:00 Neuroscience
  • News

    Missing enzyme to blame for scentless roses

    Stopping to smell the roses might be a letdown — and now researchers know why.

    The sweet-smelling flowers craft their scent using a surprising enzyme, previously thought to help prune genetic errors, researchers report July 3 in Science. That enzyme — and potent aroma — is missing in many roses bred for...

    07/02/2015 - 14:00 Chemistry, Plants
  • Science Ticker

    Pluto may have spots the size of Missouri

    A chain of enigmatic dark spots mark the surface of Pluto in recent New Horizons images, taken when the spacecraft was about 22 million kilometers from the dwarf planet. Each splotch is about 500 kilometers across and covers roughly the same area as the state of Missouri.


    07/02/2015 - 12:10 Planetary Science