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11/20/2008

Caltech's David Baltimore and Fiona Harrison Named among America's Best Leaders for 2008

Lori Oliwenstein

Two prominent researchers from the California Institute of Technology (Caltech) have been named among the country's 24 top leaders by U.S. News Media Group in association with the Center for Public Leadership (CPL) at Harvard Kennedy School.

11/10/2008

W.M. Keck Foundation Gift to Enable Caltech and JPL Scientists to Research the Universe's Violent Origin

Jon Weiner

The W.M. Keck Foundation has awarded $2.3 million to the California Institute of Technology (Caltech) to fund the Keck Array--a suite of three microwave polarimeters at the South Pole--and the corresponding research initiative, "Imaging the Beginning of Time: A Search for the Signature of Inflation in the Cosmic Microwave Background."

10/24/2008

"Einstein's Cosmic Messengers" Multimedia Concert Inspired by Quest for Gravitational Waves

Martin Voss

Join two world-renowned California Institute of Technology (Caltech) physicists and an award-winning composer for the world premiere of "Einstein's Cosmic Messengers," an inventive multimedia concert. Inspired by Caltech's involvement with the Laser Interferometer Gravitational-wave Observatory (LIGO), the presentation takes an innovative approach to communicating scientific exploration and discovery to the general public. The event takes place Thursday, October 30, at 8 p.m., in Beckman Auditorium on the Caltech campus.

10/08/2008

Keck Telescope and "Cosmic Lens" Resolve Nature and Fate of Early Star-Forming Galaxy

Kathy Svitil

Astronomers at the California Institute of Technology (Caltech) and their colleagues have provided unique insight into the nature of a young star-forming galaxy as it appeared only two billion years after the Big Bang and determined how the galaxy may eventually evolve to become a system like our own Milky Way.

09/30/2008

Caltech Scientists Find Cells Coordinate Gene Activity with FM Bursts

Kathy Svitil

How a cell achieves the coordinated control of a number of genes at the same time, a process that's necessary for it to regulate its own behavior and development, has long puzzled scientists. Michael Elowitz, an assistant professor of biology and applied physics at the California Institute of Technology (Caltech), along with Long Cai, a postdoctoral research scholar at Caltech, and graduate student Chiraj Dalal, have discovered a surprising answer. Just as human engineers control devices ranging from dimmer switches to retrorockets using pulsed--or frequency modulated (FM)--signals, cells tune the expression of groups of genes using discrete bursts of activation.

09/25/2008

Caltech Scientist Proposes Explanation for Puzzling Property of Night-Shining Clouds at the Edge of Space

Kathy Svitil

An explanation for a strange property of noctilucent clouds--thin, wispy clouds hovering at the edge of space at 85 km altitude--has been proposed by an experimental plasma physicist at the California Institute of Technology (Caltech), possibly laying to rest a decades-long mystery.

09/22/2008

MacArthur Foundation Names Alexei Kitaev Latest Caltech "Genius"

Sonia Chernobieff

Alexei Kitaev, a California Institute of Technology (Caltech) faculty member, has been named a MacArthur Fellow, winning one of the five-year, $500,000 grants that are awarded annually to creative, original individuals and that are often referred to as the "genius" awards.

07/29/2008

Caltech Astronomers Describe the Bar Scene at the Beginning of the Universe

Kathy Svitil

Bars abound in spiral galaxies today, but this was not always the case. A group of 16 astronomers, led by Kartik Sheth of NASA's Spitzer Science Center at the California Institute of Technology, has found that bars tripled in number over the past seven billion years, indicating that spiral galaxies evolve in shape.

07/10/2008

Rare 'Star-making Machine' Found in Distant Universe

Kathy Svitil

Astronomers have uncovered an extreme stellar machine -- a galaxy in the very remote universe pumping out stars at a surprising rate of up to 4,000 per year. In comparison, our own Milky Way galaxy turns out an average of just 10 stars per year.

06/02/2008

LIGO Observations Probe the Dynamics of the Crab Pulsar

Kathy Svitil

The search for gravitational waves has revealed new information about the core of one of the most famous objects in the sky: the Crab Pulsar in the Crab Nebula. An analysis by the international LIGO (Laser Interferometer Gravitational-Wave Observatory) Scientific Collaboration to be submitted to Astrophysical Journal Letters has shown that no more than 4 percent of the energy loss of the pulsar is caused by the emission of gravitational waves.

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