Washington, DC–Renowned astrophysicist and National Medal of Science awardee Vera Rubin passed away in Princeton N.J., the evening of December 25, 2016, at the age of 88. Rubin confirmed the existence of dark matter—the invisible material that makes up more than 90% of the mass of the universe. She...
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    “Scientists are my best friends,” wildlife photographer Frans Lanting said during a retrospective program at Carnegie’s Washington, DC, headquarters last week.

    He added that without the ability to learn from researchers and generate ideas for new images with them, his work would not hold the same power. “It’s like sculpting,” he said, speaking of these collaborations and conversations.

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Stanford, CA—New work from Carnegie’s Shouling Xu and Zhiyong Wang reveals that the process of synthesizing many important master proteins in plants involves extensive modification, or “tagging” by sugars after the protein is assembled. Their work uncovers both similarity and distinction between plants and animals in their use of this protein modification. It is published by Proceedings of the National Academy of Sciences.

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The population of exoplanets discovered by ongoing planet-hunting projects continues to increase. These discoveries can improve models that predict where to look for more of them. New planetary formation models from Carnegie’s Alan Boss indicate that there may be an undiscovered population of gas giant planets orbiting around Sun-like stars at distances similar to those of Jupiter and Saturn. 

 

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Although helium is the second most-abundant element (after hydrogen) in the universe, it doesn’t play well with others. It is a member of a family of seven elements called the noble gases, which are called that because of their chemical aloofness—they don’t easily form compounds with other elements. Helium, widely believed to be the most inert element, has no stable compounds under normal conditions. Now, an international team of researchers including several Carnegie scientists has predicted two stable helium compounds.

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Baltimore, MD—A first-of-its-kind study on almost 20,000 K-12 underrepresented public school students shows that Project BioEYES, based at Carnegie’s Department of Embryology, is effective at increasing students’ science knowledge and positive attitudes about science. Younger students had the greatest attitude changes. The study covered five years and tested students before and after the one-week BioEYES program.

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Anna Michalak’s team combined sampling and satellite-based observations of Lake Erie with computer simulations and determined that the 2011 record-breaking algal bloom in the lake was triggered by long-term agricultural practices coupled with extreme precipitation, followed by weak lake circulation...
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Monitoring tropical deforestation and forest degradation with satellites can be an everyday activity for non-experts who support environmental conservation, forest management, and resource policy development. Through extensive observation of user needs, the Greg Asner team developed CLASlite ( the...
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The Anglo-Australian Planet Search (AAPS) is a long-term program being carried out on the 3.9-meter Anglo-Australian Telescope (AAT) to search for giant planets around more than 240 nearby Sun-like stars. The team, including Carnegie scientists,  uses the "Doppler wobble" technique to search for...
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Capital Science Evening Lectures
Tuesday, March 7, 2017 -
6:30pm to 8:00pm

Since releasing its first images of space 5 years ago, the Atacama Large Millimeter/submillimeter Array (ALMA) has produced many exciting and fundamental results, enabling transformational science...

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Broad Branch Road Neighborhood Lectures
Thursday, March 16, 2017 -
6:30pm to 7:30pm

The DNA of one human cell—two copies of our “genome”—would stretch almost two meters if fully extended. However, normally it’s tightly packaged in 46 chromosomes. About 20,000 genes are...

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Astronomy Lecture Series
Monday, April 3, 2017 -
7:30pm to 8:30pm

Supernovae are cosmic explosions where a single star can become as bright as a billion stars combined. Even though supernovae are crucial to the Universe, including producing the elements...

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Plants are essential to life on Earth and provide us with food, fuel, clothing, and shelter.  Despite all this, we know very little about how they do what they do. Even for the best-studied species, such as Arabidopsis thaliana --a wild mustard studied in the lab--we know about less than 20% of...
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Anthony Piro is the George Ellery Hale Distinguished Scholar in Theoretical Astrophysics at the Carnegie Observatories. He is a theoretical astrophysicist studying compact objects, astrophysical explosions, accretion flows, and stellar dynamics. His expertise is in nuclear physics, thermodynamics,...
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Gwen Rudie studies the chemical and physical properties of very distant, so-called  high-redshift galaxies and their surrounding circumgalactic medium. She is primarily an observational astronomer working on the analysis and interpretation of high-resolution spectroscopy of high-redshift Quasi...
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February 22, 2017

Carnegie trustee emeritus Edward Emil David Jr., died on February 13, 2017, at the age of 92 at his home in Bedminster, New Jersey. He was an active trustee serving for almost 20 years from 1980 to 1997. He had been a trustee emeritus since then. David was a leader in government science policy and industrial research and development for over five decades.  

David was Science Advisor to President Richard Nixon and ran the White House Office of Science and Technology from 1970 until 1973, was a member of the National Academy of Sciences (NAS) and National Academy of Engineering (NAE), and served as President of the American Association for the Advancement of Science (AAAS). He was

Carnegie Science, Carnegie Institution, Carnegie Institution for Science
February 21, 2017

Washington, DC— The American Institute of Physics’ Center for History of Physics has awarded the Carnegie Institution for Science a $10,000 grant to organize and preserve the archives of scientist Oliver H. Gish and open them for research.

Gish was a prominent figure in American geophysics in the early 20th century and an authority in the study of atmospheric and terrestrial electricity. He was a staff scientist at Carnegie’s Department of Terrestrial Magnetism in Washington between 1922 and 1948 and also worked in academia, industry, and government research. His papers are held in the department’s archives.

Gish conducted some of the first cosmic-ray research in the United

February 21, 2017

Washington, DC—New planetary formation models from Carnegie’s Alan Boss indicate that there may be an undiscovered population of gas giant planets orbiting around Sun-like stars at distances similar to those of Jupiter and Saturn. His work is published by The Astrophysical Journal.

The population of exoplanets discovered by ongoing planet-hunting projects continues to increase. These discoveries can improve models that predict where to look for more of them.

The planets predicted by Boss in this study could hold the key to solving a longstanding debate about the formation of our Solar System’s giant planets out of the disk of gas and dust that surrounded the Sun in its

February 20, 2017

Washington, DC—New work from Carnegie’s Stephen Elardo and Anat Shahar shows that interactions between iron and nickel under the extreme pressures and temperatures similar to a planetary interior can help scientists understand the period in our Solar System’s youth when planets were forming and their cores were created. Their findings are published by Nature Geoscience.

Earth and other rocky planets formed as the matter surrounding our young Sun slowly accreted. At some point in Earth’s earliest years, its core formed through a process called differentiation—when the denser materials, like iron, sunk inward toward the center. This formed the layered composition the planet has

March 7, 2017

Since releasing its first images of space 5 years ago, the Atacama Large Millimeter/submillimeter Array (ALMA) has produced many exciting and fundamental results, enabling transformational science in a wide range of astronomy and planetary science subjects, from the Solar System to the early universe. Dr. Cox will present a selection of the most-remarkable ALMA scientific discoveries, compare the array’s original fundamental science with its current results, and outline the future evolution of ALMA. 

Dr. Pierre Cox, Director, ALMA
#CosmicOrigins

The Capital Science Evenings are made possible in part by the generous support of Margaret and Will Hearst.

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March 16, 2017

The DNA of one human cell—two copies of our “genome”—would stretch almost two meters if fully extended. However, normally it’s tightly packaged in 46 chromosomes. About 20,000 genes are distributed along this DNA; they carry the information for building and operating a human. Any particular gene is located at a specific place in a chromosome and, normally, stays there. Carnegie scientist Barbara McClintock discovered, in corn, that some genes jump from one place in a chromosome to another. Similar things occur in most organisms, including us. This discovery, which earned a Nobel prize, led to dramatic advances in understanding infectious disease, evolution, and the controls that turn

April 3, 2017

Supernovae are cosmic explosions where a single star can become as bright as a billion stars combined. Even though supernovae are crucial to the Universe, including producing the elements necessary for life, many mysteries remain. What powers them? Which stars are exploding? How do stars die? Astrophysicists are combining clues from observations with theoretical modeling to finally address these issues. And just like with any good mystery, often the answers lead to even more questions.

Tony Piro, George Ellery Hale Distinguished Scholar in Theoretical Astrophysics, Carnegie Observatories

Registration opens Wednesday, February 15. Registration is required. 

April 6, 2017

Dr. Ostrander’s team has taken advantage of naturally occurring variations in dog populations in order to reveal the genetic mechanisms underlying both simple and complex traits. She will show how findings related to the genetic basis for canine disease, behavior, and morphologic traits frame our thinking of human growth regulation, disease, and population migration.

Dr. Elaine Ostrander, Chief, Cancer Genetics and Comparative Genomics, National Human Genome Research Institute, Nation Institute of Health
#DogGenetics

The Capital Science Evenings are made possible in part by the generous support of Margaret and Will Hearst.

Check back one week prior to the

The Marnie Halpern laboratory studies how left-right differences arise in the developing brain and discovers the genes that control this asymmetry. Using the tiny zebrafish, Danio rerio, they explores how regional specializations occur within the neural tube, the embryonic tissue that develops into the brain and spinal cord.

The zebrafish is ideal for these studies because its basic body plan is set within 24 hours of fertilization. By day five, young larvae are able to feed and swim, and within three months they are ready to reproduce. They are also prolific breeders. Most importantly the embryos are transparent, allowing scientists to watch the nervous system develop and to

Carnegie Academy for Science Education

Scientific literacy is now recognized to be crucial for our nation's progress in the 21st century.

The Carnegie Institution, a pre-eminent basic research organization, has fostered the development of scientific knowledge since the early 20th century. For many years, this meant the training of graduate students and postdoctoral fellows in the Institution's laboratories, located in Washington, DC and around the country.

In 1989, Maxine Singer, then president of Carnegie, founded First Light, a Saturday science school for children. This was the start of the Carnegie Academy for Science Education (CASE) whose goal is to encourage interest in science among school children and

Together with Dr. Jamie Shuda, Steve Farber created a Science Outreach Program, Project BioEYES, that incorporates life science and laboratory education using zebrafish. The outreach program has two main components: educating teachers through hands-on training and tours of our zebrafish facility, and bringing the zebrafish to K-12th grade classrooms for hands-on experiments. The program teaches students about science literacy, genetics, the experimental process, and the cardiovascular system through the use of live zebrafish.

The mission of BioEYES is to foster an enthusiasm for science education, promote interest for future participation in a biology-related field, and allow all

The Geophysical Laboratory has made important advances in the growth of diamond by chemical vapor deposition (CVD).  Methods have been developed to produce single-crystal diamond at low pressure having a broad range of properties.

Frederick Tan holds a unique position at Embryology in this era of high-throughput sequencing where determining DNA and RNA sequences has become one of the most powerful technologies in biology. DNA provides the basic code shared by all our cells to program our development. While there are about 30,000 human genes, 98% of DNA sequences are comprised of repetitive and regulatory sequences within and between genes. Measuring the specific set of DNA sequences that are transcribed into RNA helps reveal what and how our tissues are doing by showing which genes are active.

Modern sequencing platforms, such as the Illumina HiSeq 2000, generate only short, ordered sequences, usually 100

Stephen Shectman blends his celestial interests with his gift of developing novel telescope instrumentation. He investigates the large-scale structure of the galaxy distribution; searches for ancient stars that have few elements; develops astronomical instruments; and constructs large telescopes. Shectman was the former project scientist for Magellan and is largely responsible for the superb quality of 6.5-meter telescopes. He is now a member of the Giant Magellan Telescope Project Scientists’ Working Group.

 To understand large-scale structure, Shectman has participated in several galaxy surveys. He and collaborators discovered a particularly large void in the galaxy distribution

Anna Michalak joined Carnegie in 2011 from the Department of Civil and Environmental Engineering at the University of Michigan. Her research focuses on characterizing complexity and quantifying uncertainty in environmental systems to improve our understanding of these systems and our ability to forecast their variability. She is looking at a variety of interactions including atmospheric greenhouse gas emission and sequestration estimation, water quality monitoring and contaminant source identification, and use of remote sensing data for Earth system characterization.

The common theme of her research is to develop and apply spatiotemporal statistical data methods for optimizing the

Alexander F. Goncharov's analyzes materials under extreme conditions such as high pressure and temperature using optical spectroscopy and other techniques to understand how matter fundamentally changes, the chemical processes occurring deep within planets, including Earth, and to understand and develop new materials with potential applications to energy.

In one area Goncharov is pursuing the holy grail of materials science, whether hydrogen can exist in an electrically conducting  metallic state as predicted by theory. He is also interested in understanding the different phases materials undergo as they transition under different pressure and temperature conditions to shed light