Freud on Display
November 28, 1998 | Volume 154 | Number 22
Cover: Sigmund Freud, shown here in 1921 with his ever-present cigar, articulated a theory of mental life and a technique for treating psychological disturbances that continue to generate heated debate. A new exhibit at the Library of Congress in Washington, D.C., explores Freud's life and ideas, as well as his pervasive influences on Western culture. (Photo: Library of Congress, Courtesy of A.W. Freud, et al.)
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News of the Week:
Gene Triggers New Hair in Adult Mice
Scientists have identified a signal pathway in mice that commands adult skin cells to become hair follicles.
Gel swells during high-sugar spells
A soft gel that shrinks and swells in response to changing sugar concentrations could offer a new way to deliver insulin to people with diabetes.
Very hot grills may inflame cancer risks
Three studies indicate that the way people cook meat can play a role in whether the food poses a breast-cancer threat.
Brain chemical affects alcohol sensitivity
A key chemical in the brain, known as neuropeptide Y, appears to govern how mice react to alcohol.
Cultural life of whales may cut diversity
Behaviors learned in the family group may be a powerful force in whale evolution.
Condensate divided? Quantum unity stands
Atoms of an ultracold form of matter called a Bose-Einstein condensate share a single quantum-mechanical state even when the condensate is minced into many pieces.
Kids attention disorder attracts concern
A federal panel reports that attention-deficit hyperactivity disorder is a major public health problem but notes that much remains unknown about its diagnosis and treatment.
Hubbles deep southern stare
Staring down a corridor 12 billion light-years long, the Hubble Space Telescope has doubled the number of galaxies that scientists can study to decipher the early universe.
A first look at the eyes stem cells
The eye harbors a population of cells that might be useful to fight blinding diseases.
A shocking case of depression
Electrical stimulation of part of the brain during a surgical procedure triggered instant depression.
Just for the fizz of it
The tingling sensation caused by carbonated water appears to stem from taste receptors responding to products of a chemical reaction.
DNA fingerprints of pollutions touch
DNA fingerprinting of the leaves of wild raspberry plants revealed that plants watered by toxic seeps had less genetic diversity that those growing in adjacent clean sites.
Pesticidesthe newest dioxins
Toxicologists have identified two common pesticides that can trigger dioxinlike effects in people.
From Dallas at the American Heart Associations Scientific Sessions
Is rheumatic fever making a comeback?
A stealthy form of strep throat that doesnt have symptoms may underlie an increase in rheumatic fever recorded in Utah in recent years.
Gene-therapy advances go to the heart
Gene therapy helps arteries to regrow in heart tissue and may limit clogging of vessels used in bypass surgery.
Estrogen helps some more than others
Genetic factors may determine why hormone replacement therapy for postmenopausal women works better in some cases than in others.
Most smokers light up after heart surgery
More than half the cigarette smokers who undergo heart surgery return to the habit that may have landed them in the operating room.
Dr. Freud Goes to Washington
Debate over psychoanalysis takes an exhibitionistic turn
The opening of a Library of Congress exhibit on Sigmund Freud focuses attention on the disputed merit of psychoanalytic ideas and treatment.
Its A Girl!
Is sex selection the first step to designer children?
Ethicists debate the potential implications of techniques that allow parents to influence a child's gender before fertilization of the egg.
Letters: A Selection from Letters to the Editor
|copyright 1998 Science Service|