Uncategorized
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PhysicsConfined gas rejects compromise
Pairs of tiny gas clouds of unequal energies mixing inside narrow tubes retain their original energy differences.
By Peter Weiss -
AnimalsJust turn your back, Mom
A female in a species of legless amphibians called caecilians nourishes her youngsters by letting them eat the skin off her back.
By Susan Milius -
Health & MedicineLiver regeneration tied to bile acids
Bile, a digestive juice, plays an integral role in the regeneration of liver tissue.
By Nathan Seppa -
Health & MedicineTwo drugs are equal in preventing breast cancer
A commonly prescribed anti-osteoporosis drug works as well at preventing breast cancer as the sole drug currently prescribed for the task.
By Nathan Seppa -
HumansStudy finds bias in peer review
Researchers have found evidence of bias when scientists review data and the researcher's name and affiliation are available to the reviewers.
By Janet Raloff -
AnimalsBird hormone cuts noise distractions
A jolt of springtime hormones makes a female sparrow's brain more responsive to song.
By Susan Milius -
Planetary ScienceThe Whole Enceladus
Saturn's moon Enceladus has become the hottest new place to look for life in the chilly outer solar system.
By Ron Cowen -
EarthParticular Problems
Toxicologists and chemists are forging a new field called nanotoxicology as they grapple with assessing the safety of engineered nanoparticles.
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MathConstructing Difference Engines
Antique calculators resurface as Lego or Meccano models. For more math, visit the MathTrek blog.
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HumansFrom the April 25, 1936, issue
An old-fashioned tower, alcohol in fuel, and knowledge in atoms and cosmic rays.
By Science News -
Planetary ScienceThe Mysterious Smell of Moondust
Long after the last Apollo astronaut left the moon, a mystery lingers: Why does moondust smell like gunpowder? In this account, astronauts describe the surprising smell and taste of moondust, which they experienced firsthand inside their lunar landers. The dust gave one astronaut a case of hay fever. Go to: http://science.nasa.gov/headlines/y2006/30jan_smellofmoondust.htm
By Science News -
Health & MedicineSmall Wonder: Taking the bite out of anthrax toxin
Using a submicroscopic synthetic blob called a liposome, scientists have neutralized anthrax toxin in rats.
By Nathan Seppa