Five Caltech Faculty Members Elected to Membership in the American Academy of Arts and Sciences

PASADENA, Calif. — The American Academy of Arts and Sciences has announced that five members of the Caltech faculty have been elected to membership in the academy for contributions to their respective scientific fields.

The Caltech faculty members who have been elected are Richard Andersen, Boswell Professor of Neuroscience; David Anderson, professor of biology and investigator with the Howard Hughes Medical Institute (HHMI); Ronald Drever, professor of physics, emeritus; Mary Kennedy, Davis Professor of Biology; and Mark Wise, McCone Professor of High Energy Physics.

Two Caltech Professors Elected to American Philosophical Society

PASADENA, Calif. — The American Philosophical Society (APS) recently announced that Pamela J. Bjorkman, professor of biology at Caltech and investigator of the Howard Hughes Medical Institute (HHMI), and Peter B. Dervan, Bren Professor of Chemistry, are two of the 37 new members elected in this year.

Bjorkman is being recognized for her work with molecules needed for cell-surface recognition, and their role in the immune system.

Caltech Researcher Granted $500,000 Career Award

As a young medical student, Matthew Porteus recalls his frustration when admitting his first patient with chronic pain caused by sickle-cell anemia. There was little medicine could do to help her in a sustained and meaningful way. The experience influenced his decision to study the basic mechanisms of "gene targeting," one possible way to cure such diseases, which are caused by a single mutation in a cell. Now Porteus will be assisted in his studies thanks to a grant from the Burroughs Wellcome Fund.

Brain oscillations compress odor representations as signals pass through olfactory networks

Most natural smells are complex blends of many individual chemicals. Freshly ground coffee, for example, contains about 300 individual volatile components. A typical perfume also contains tens of ingredients, although the recipes are tightly locked in secret vaults.

The percepts that such complex blends evoke in us are, however, astonishingly singular: ground coffee smells like coffee, not like a hopeless mess of hundreds of ingredients; Gio or Allure also have unique signatures (often associated with other memories).

New Clues to the Processing of Memories

Function of a known pathway to memory in the brain is explained.

Gaining a Better Understanding of the Brain

PASADENA, Calif. — A panel of experts who conduct a wide range of brain research will come together for California Institute of Technology's annual Biology Forum, "Gray Matters: Perception, Intention, Memory, and Dysfunction in the Brain," April 25 at 8 p.m. in Beckman Auditorium, 332 S. Michigan Ave, Pasadena.

Caltech and Purdue scientists determinestructure of the Dengue fever virus

Scientists at the California Institute of Technology and Purdue University have determined the fine-detail structure of the virus that causes dengue fever. This advance could lead to newer and more focused strategies for devising a vaccine to protect the world against a viral illness that causes 20,000 deaths each year.

Reporting in the March 8 issue of the journal Cell, Caltech biology professor James H. Strauss, lead author Richard J. Kuhn of Purdue (a former postdoctoral scholar in Strauss's lab), and Michael G. Rossman and Timothy S. Baker, both of Purdue, describe

Caltech Scientists Block Effect of Huntington Disease Protein in Cultured Cells

Caltech researchers have blocked the effects of the disease in cultured cells using antibodies.

Caltech biologists invent newer, better methodfor making transgenic animals

Using specially prepared HIV-derived viruses stripped of their disease-causing potential, California Institute of Technology biologist David Baltimore and his team have invented a new method of introducing foreign DNA into animals that could have wide-ranging applications in biotechnology and experimental biology.

The Baltimore team reports, on today's Science Express Web site, on their study of single-cell mouse embryos that have been virally infected in a manner that leaves a new gene from a jellyfish permanently deposited into their genomes.

Sound alters the activity of visual areas in the human brain,Caltech research reveals

Scientists at the California Institute of Technology have discovered that hearing can significantly change visual perception, and that the influence of hearing on visual perception occurs at an early perceptual level rather than at a higher cognitive level.

Ladan Shams, a Caltech postdoctoral researcher, and Shinsuke Shimojo, a professor of computation and neural systems at Caltech report that visual signals are influenced significantly by sounds at early cortical levels that have been believed to be "vision specific."

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