News
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Health & MedicineCan poliovirus fix spinal cord damage?
Scientists have devised a version of the poliovirus that can deliver genes to motor neurons without harming them, a step toward a gene therapy that reawakens idle neurons in people with spinal cord damage.
By Nathan Seppa -
PaleontologyTeeth tell tale of warm-blooded dinosaurs
Evidence locked within the fossil teeth of some dinosaurs may help bolster the view that some of the animals were, at least to some degree, warm-blooded.
By Sid Perkins -
Materials ScienceCathedral has weathered London’s acid rain
A decrease in acid rain seems to be responsible for newly reported reduced deterioration rates of St. Paul's Cathedral in London.
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EarthGirls may face risks from phthalates
The high incidence of premature breast development in Puerto Rican girls has been linked with phthalates, a family of ubiquitous pollutants found in plastics, lubricants, and solvents.
By Janet Raloff -
AstronomyTelescope unveils a stellar deception
A heavenly masquerade may shed light on the nature of astrophysical jets—the beams of material spewed by a wide variety of celestial objects.
By Ron Cowen -
ArchaeologyAncient Site Holds Cannibalism Clues
An 800-year-old Anasazi site in Colorado yields contested evidence of cannibalism.
By Bruce Bower -
HumansIdeal Justice: Mathematicians judge the Supreme Court
The current U.S. Supreme Court of nine judges behaves as if it were made up of 4.68 "ideal" justices who make their decisions completely independently, a mathematical analysis suggests.
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Materials ScienceEasy Repair: Novel structural model heals with heat
The vertebrate spine has provided inspiration for making new structures that heal when heated.
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EarthSlow Turnover: Warming trend affects African ecosystem
Over the past 90 years, rising water temperatures in Lake Tanganyika have led to dramatic losses of productivity among the microorganisms that form the base of the lake's food chain.
By Sid Perkins -
AstronomySolar Terrain: Revealing the sun’s complex topography
The sharpest images of the sun ever taken, released last week, show our stellar neighbor’s rugged surface in new and surprising detail.
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Health & MedicinePrevention in a Pill? Baldness drug might avert prostate cancer
The drug finasteride, given to alleviate baldness and prostate problems, might prevent some cases of prostate cancer.
By Nathan Seppa -
EarthGerms Begone: New technology cleans dangerous water
For a penny per liter, people in the developing world should be able to remove most pathogens and toxic pollutants from their home drinking water.
By Janet Raloff