BIG Questions – Page 50

Dinosaur Feathers Evolved for Courtship
By the Editor on October 26, 2012
Research suggests that not only did wings evolve in dinosaurs earlier than previously thought, they may have evolved merely...
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How the “Spiritual Not Religious” Gospel Has Spread
By the Editor on October 25, 2012
You can call them “unaffiliated,” as in a recent Pew poll, or “nones”—or even just “not very religious.” A...
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Novel Gene Therapy Method Replaces Mitochondrial DNA
By the Editor on October 25, 2012
Scientists have demonstrated a new type of gene therapy that would – in principle – allow mothers to avoid...
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New Microbe Forms Living, Deep-Sea Power Cables
By the Editor on October 25, 2012
The world’s deep seafloors are dark and airless places, but vast swaths may pulse gently with energy conducted through...
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Revealing a Mini-Supermassive Black Hole
By the Editor on October 25, 2012
One of the lowest mass supermassive black holes ever observed in the middle of a galaxy has been identified,...
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Moderate Drinking Decreases Brain Cell Regeneration
By the Editor on October 25, 2012
Drinking a moderate amount of alcohol can have an impact on the ability of brain cells to regenerate, according...
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Exercise Helps Stave Off Cognitive Decline
By the Editor on October 25, 2012
In a study published in the journal Neurology of almost 700 people born in 1936, researchers found physically active...
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Mystery Glow of Dark Matter Halos Fueled by Extragalactic Stars
By the Editor on October 24, 2012
Stars ripped from their home galaxies as they collide with other galaxies can get slung into giant invisible cocoons...
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1 Picture, 9,000 Megapixels, 84 Million Stars
By the Editor on October 24, 2012
The center of our galaxy, as seen by the powerful Visible and Infrared Survey Telescope for Astronomy (VISTA) instrument...
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Grandmothers Responsible for Human Longevity
By the Editor on October 24, 2012
The helpfulness of grandmothers is the reason humans don’t die in their thirties the way chimpanzees do, new research...
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