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Materials ScienceAnyone want to knit a microscopic sweater?
Microscopic polymer tubes can tangle themselves into a new and possibly useful structure—tiny "yarn balls" that flatten out and partly unravel in an electric field.
By Peter Weiss -
EarthLemon-scented products spawn pollutants
Some fragrances used in home-care products can play a role in generating potentially harmful air pollution.
By Janet Raloff -
Health & MedicineDrug aids destruction of lymphoma cells
The drug rituximab, when added to chemotherapy, boosts survival rates in people with diffuse B-cell lymphoma, a kind of cancer.
By Nathan Seppa -
Crippled fungus acts as vaccine
A genetically crippled strain of yeast can vaccinate mice against deadly normal strains.
By John Travis -
AstronomyWhat a blast!
Astronomers have glimpsed a rare, long-lived neutron-star explosion that may represent the burning of carbon just beneath the surface of this superdense star.
By Ron Cowen -
AstronomyMore moons for Saturn
With the discovery of two additional moons, the ringed planet now has a retinue of 24 known satellites orbiting it.
By Ron Cowen -
Brain sets sights on mind’s eye
Brain regions implicated in vision may also contribute to the images in the "mind's eye."
By Bruce Bower -
Man’s brain incurs disgusting loss
A brain-damaged man yields clues to the neural organization responsible for experiencing disgust.
By Bruce Bower -
Health & MedicineIs penicillin-allergy rate overstated?
A study finds that 20 of 21 people who reported having a penicillin allergy when filling out paperwork during a hospital visit in fact don't have one, suggesting that the prevalence of this allergy is overstated.
By Nathan Seppa -
Health & MedicineMarker signals esophageal cancer
Silencing of the gene that encodes the cancer-suppressing protein APC is common in people with esophageal cancer, suggesting that physicians might use this genetic abnormality as a marker for the disease.
By Nathan Seppa -
PhysicsWhen all is a spin, calm is dragged in
When laboratory vortices are mixed to create the equivalent of a tornado in a hurricane, the "hurricane" may gobble up spots of calm from the outside world.
By Peter Weiss -
PhysicsHot little levers write beaucoup bits
Arrays of microscopic tips may offer a way to pack digital data more tightly and transfer it more quickly than is possible with magnetic hard disks.
By Peter Weiss