News in Brief
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Materials Science
Nanoglue attaches tissues to each other
Silica particles could repair and help engineer human organs.
By Beth Mole -
Humans
Fossils reveal a strong-armed, dead-end hominid
Olduvai Gorge finds suggest extinct hominid both walked and hung out in trees.
By Bruce Bower -
Planetary Science
Mars was habitable longer, more recently than thought
Warmer, wetter conditions lasted until 3.5 billion years ago on the Red Planet.
By Andrew Grant -
Astronomy
Saturn’s six-sided cloud pattern gets a close look
New images show particles in the planet’s hexagonally shaped jet stream.
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Health & Medicine
Triplet births decline as IVF practice evolves
The number of U.S. pregnancies resulting in three or more babies has gone down since 1998.
By Nathan Seppa -
Health & Medicine
Cell counts provide a read on ovarian cancer
New technology might discern which tumors are most dangerous and help guide treatment.
By Nathan Seppa -
Animals
How the ghost shark lost its stomach
The lack of a digestive organ in fish and other animals is linked to genetics.
By Susan Milius -
Earth
Earth’s plate boundaries may nurture diamond formation
An experiment mimicking conditions deep in the Earth suggests that some tectonic plate boundaries may make ideal diamond nurseries.
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Animals
How koalas sing low
Extra set of vocal cords lets males hit surprisingly low notes.
By Beth Mole -
Neuroscience
Fear can be inherited
Parents’ and even grandparents’ experiences echo in offspring, a study of mice finds.
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Astronomy
ISON seems to have survived close call with sun
Comet ISON seems to have emerged from its brush with the sun diminished but intact, according to the latest reports.
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Astronomy
Comet ISON approaches sun for Thanksgiving flyby
On Thanksgiving, Comet ISON will pass near the sun and may disintegrate.