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Neural Feel for Seeing: Emotion may mold early visual activity in brain
The amygdala, an inner-brain structure that coordinates reactions to fearful sights, influences early stages of visual perception in far-removed brain regions.
By Bruce Bower - Health & Medicine
Umbilical Bounty: Cord blood shows value against leukemia
Umbilical cord blood transplants offer a viable treatment alternative for leukemia patients who don't have a matching bone marrow donor.
By Nathan Seppa - Paleontology
Subway dig in L.A. yields fossil trove
Fossil finds made when a subway line was extended from Los Angeles into the San Fernando Valley include bones of mastodons, ground sloths, extinct bison and camels, and 39 new species of fish.
By Sid Perkins -
Nightlife: Marsupial meets mistletoe
A tiny marsupial in Argentina turns out to disperse mistletoe seeds, a job once presumed to be for the birds.
By Susan Milius -
Great tits inherit egg spots from mom
An unusual study of eggshell spots suggests that there may be a gene for spottiness on the great tit's female sex chromosome.
By Susan Milius -
- Plants
Botany under the Mistletoe
Twisters, spitters, and other flowery thoughts for romantic moments.
By Susan Milius -
- Tech
Ink-jet dots form transistor spots
A new technique makes ink-jet printing of transistor circuits possible from conductive polymer inks.
By Peter Weiss - Chemistry
Researchers stretch for improved surfaces
A surprisingly simple, new technique could create better coatings for everything from medical implants to ship hulls.
- Math
Proof clarifies a map-folding problem
Researchers have developed an efficient algorithm to determine, given a collection of creases on a piece of paper, whether a sequence of simple folds produces a flat result, like a folded road map.
- Animals
Birds may inherit their taste for the town
Tests switching cliff swallow nestlings to colonies of different sizes suggest the birds inherit their preference for group size.
By Susan Milius