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    Earthquakes, floods, tsunamis, hurricanes, and volcanoes—they all stem from the very same forces that give our planet life. It is only when these forces exceed our ability to withstand them that they become disasters. Science and engineering can be used to understand extreme events and to design our cities to be resilient, but we must overcome the psychological drive to normalization that keeps humanity from believing that we could experience anything worse than what we have already survived.

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Carnegie’s Winslow Briggs, a giant in the field of plant biology who explained how seedlings grow toward light, died on February 11 at Stanford University Medical Center. He was 90.

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The density of rock layers on the terrain that climbs from the base of Mars’ Gale Crater to Mount Sharp is less dense than expected, according to the latest report on the Red Planet’s geology from a team of scientists including Carnegie’s Shaunna Morrison. 

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China is the world’s largest producer and consumer of coal. Ambitious Chinese regulations on coal mining that took effect in 2010 have not curbed the nation’s growing methane emissions as intended, says new research from a team led by Carnegie’s Scot Miller and Anna Michalak. 

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Carnegie's Juna Kollmeier and Université de Bordeaux's Sean Raymond kicked off an internet firestorm late last year when they posted a draft of their article about submoons on a preprint server. The online conversation obsessed over the best term to describe such phenomena.  But nomenclature was not the point of Kollmeier and Raymond’s investigation, who set out to define the physical parameters for moons that would be capable of being stably orbited by other, smaller moons.

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In March 2014, a technical support unit (TSU) of ten, headquartered at Global Ecology, had successfully completed a herculean management effort for the 2000-page assessment Climate Change 2014: Impacts, Adaptation, and Vulnerability, including two summaries. They were issued by the United Nations (...
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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...
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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...
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Capital Science Evening Lectures
Wednesday, February 20, 2019 - 6:30pm to 7:45pm

Over the past few years, Dr. Sheppard and his team have been performing the largest and deepest survey ever attempted of our Solar System’s fringes. In December 2018, he...

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Capital Science Evening Lectures
Tuesday, March 5, 2019 - 6:30pm to 7:45pm

Entrepreneur and inventor Dr. Rothblatt cofounded Sirius Satellite Radio and then pivoted to establish biotech company United Therapeutics in an effort to save her daughter’s life from...

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Astronomy Lecture Series
Monday, March 18, 2019 - 7:00pm to 8:45pm

Astronomers have mapped almost the entire history of our universe, from the Big Bang to the present day. One last frontier remains, an epoch known as cosmic dawn, when the first stars and galaxies...

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Staff member emeritus François Schweizer studies galaxy assembly and evolution by observing nearby galaxies, particularly how collisions and mergers affect their properties. His research has added to the awareness that these events are dominant processes in shaping galaxies and determining...
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Junior investigator Zhao Zhang joined Carnegie in November 2014. He studies how elements with the ability to “jump” around the genome, called transposons, are controlled in egg, sperm, and other somatic tissues in order to understand how transposons contribute to genomic...
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Cosmochemist Larry Nittler studies extraterrestrial materials, including meteorites and interplanetary dust particles (IDPs), to understand the formation of the Solar System, the galaxy, and the universe and to identify the materials involved. He is particularly interested in developing new...
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Artist's conception. Credit Rensselaer Polytechnic Institute
February 14, 2019

Washington, DC—Carnegie’s Andrew Steele is a member of the Earth First Origins project, led by Rensselaer Polytechnic Institute’s Karyn Rogers, which has been awarded a $9 million grant by NASA’s Astrobiology Program.

The five-year project seeks to uncover the conditions on early Earth that gave rise to life by identifying, replicating, and exploring how prebiotic molecules and chemical pathways could have formed under realistic early Earth conditions.

The evolution of planet Earth and the emergence of life during its first half-billion years are inextricably linked, with a series of planetwide transformations – formation of the ocean,

February 12, 2019

Washington, DC— Carnegie’s Winslow Briggs, a giant in the field of plant biology who explained how seedlings grow toward light, died on February 11 at Stanford University Medical Center. He was 90.

Briggs joined Carnegie as the Director of the Department of Plant Biology in 1973 after teaching both at Harvard University—where he completed his bachelor’s degree, master’s degree, and Ph.D.—and at Stanford University. He held the position for two decades, establishing himself as a global leader in plant genetics and physiology, publishing landmark research on the molecular mechanisms that plants and other organisms use to sense and respond to light

Self-portrait of NASA's Curiosity Mars rover on Vera Rubin Ridge with Mount Sharp poking up just behind the vehicle's mast. Image is courtesy of NASA/JPL-Caltech/MSSS Curiosity.
January 31, 2019

Washington, DC—The density of rock layers on the terrain that climbs from the base of Mars’ Gale Crater to Mount Sharp is less dense than expected, according to the latest report on the Red Planet’s geology from a team of scientists including Carnegie’s Shaunna Morrison. Their work is published in Science.

Scientists still aren't sure how this mountain grew inside of the crater, which has been a longstanding mystery. 

One idea is that sediment once filled Gale Crater and was then worn away by millions of years of wind and erosion, excavating the mountain. However, if the crater had been filled to the brim, the material on the bottom, which

Coal mine, public domain
January 29, 2019

Washington, DC—Chinese regulations on coal mining have not curbed the nation’s growing methane emissions as intended, says new research from a team led by Carnegie’s Scot Miller and Anna Michalak. Their findings are published in Nature Communications.

China is the world’s largest producer and consumer of coal, which is used to generate more than 70 percent of its electricity. It also emits more methane than any other nation, and the coal sector accounts for about 33 percent of this total. This happens when underground pools of methane gas are released during the mining process.

In the atmosphere, methane acts as a greenhouse gas, trapping heat

February 20, 2019

Over the past few years, Dr. Sheppard and his team have been performing the largest and deepest survey ever attempted of our Solar System’s fringes. In December 2018, he announced the most-distant object ever observed in our Solar System. His team’s work has shown that the farthest-out-there objects—beyond the Kuiper Belt and the influence of the known major planets—are strangely grouped together in space. This suggests the existence of a yet-unobserved planet, sometimes called Planet X or Planet 9, more massive than the Earth, which is shaping the current orbits of these objects. Dr. Sheppard will 

March 5, 2019

Entrepreneur and inventor Dr. Rothblatt cofounded Sirius Satellite Radio and then pivoted to establish biotech company United Therapeutics in an effort to save her daughter’s life from pulmonary arterial hypertension. The company now has five drugs on the market—which have drastically improved survival outcomes for the disease—and it is currently innovating to reduce the number of patients who die waiting for a lung or kidney transplant. Her guiding philosophy is finding ways to “turn a Moonshot into an Earthshot,” in this case how to tackle the goal of an unlimited organ supply by developing procedures to increase the number of donated organs that are in

March 18, 2019

Astronomers have mapped almost the entire history of our universe, from the Big Bang to the present day. One last frontier remains, an epoch known as cosmic dawn, when the first stars and galaxies were born and changed the universe forever. Dr. Ji will take us on a short tour of the early history of our universe and explain how we obtain glimpses of this era.

Dr. Alex Ji: Hubble Fellow, Carnegie Observatories

#CosmicDawn

April 1, 2019

Popular images of galaxies, while beautiful, do not provide the information that astronomers need to measure their inherent properties, such as their dynamics and the compositions of their stars and gases. Using the latest technological advances, Dr. McGurk is building a new, custom-designed instrument for Carnegie Observatories' Magellan Telescopes, which will reveal the universe in extreme detail–making it possible to efficiently create 3-D maps of galaxies, nebulae, and more.

Dr. Rosalie McGurk: Fellow in Instrumentation, Carnegie Observatories

#GalaxyMap

The Gall laboratory studies all aspects of the cell nucleus, particularly the structure of chromosomes, the transcription and processing of RNA, and the role of bodies inside the cell nucleus, especially the Cajal body (CB) and the histone locus body (HLB).

Much of the work makes use of the giant oocyte of amphibians and the equally giant nucleus or germinal vesicle (GV) found in it. He is particularly  interested in how the structure of the nucleus is related to the synthesis and processing of RNA—specifically, what changes occur in the chromosomes and other nuclear components when RNA is synthesized, processed, and transported to the cytoplasm.

Carnegie will receive Phase II funding through Grand Challenges Explorations, an initiative created by the Bill & Melinda Gates Foundation that enables individuals worldwide to test bold ideas to address persistent health and development challenges. Department of Plant Biology Director Wolf Frommer,  with a team of researchers from the International Rice Research Institute, Kansas State University, and Iowa State University, will continue to pursue an innovative global health research project, titled “Transformative Strategy for Controlling Rice Blight.”

Rice bacterial blight is one of the major challenges to food security, and this project aims to

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 Carnegie Landsat Analysis System--Lite) to assist governments, nongovernmental organizations, and academic institutions with high-resolution mapping and monitoring of forests with satellite imagery.

CLASlite is a software package designed for highly automated identification of deforestation and forest degradation from remotely sensed satellite imagery. It incorporates state-of-the

High-elevation, low relief surfaces are common on continents. These intercontinental plateaus influence river networks, climate, and the migration of plants and animals. How these plateaus form is not clear. Researchers are studying the geodynamic processes responsible for surface uplift in the Hangay in central Mongolia to better understand the origin of high topography in continental interiors.

This work focuses on characterizing the physical properties and structure of the lithosphere and sublithospheric mantle, and the timing, rate, and pattern of surface uplift in the Hangay. They are carrying out studies in geomorphology, geochronology, thermochronology, paleoaltimetry,

Ronald Cohen primarily studies materials through first principles research—computational methods that begin with the most fundamental properties of a system, such as the nuclear charges of atoms, and then calculate what happens to a material under different conditions, such as pressure and temperature. He particularly focuses on properties of materials under extreme conditions such as high pressure and high temperature. This research applies to various topics and problems in geophysics and technological materials.

Some of his work focuses on understanding the behavior of high-technology materials called ferroelectrics—non-conducting crystals with an electric dipole

Yixian Zheng is Director of the Department of Embryology. Her lab has a long-standing interest in cell division. In recent years, their findings have broadened their research using animal models, to include the study of stem cells, genome organization, and lineage specification—how stem cells differentiate into their final cell forms. They use a wide range of tools, including genetics in different model organisms, cell culture, biochemistry, proteomics, and genomics.

Cell division is essential for all organisms to grow and live. During a specific time in a cell’s cycle the elongated apparatus consisting of string-like micro-tubules called the spindle is assembled to

Mark Phillips is the Las Campanas Observatory (LCO) Director Emeritus. From 2006 to 2017 Phillips served as the Associate Director for Magellan, and from 2014 to 2017 he was the interim LCO Director. He is a world-renowned supernova expert. Most stars die quietly by cooling down and “turning off” when they have exhausted their nuclear fuel. But, a few stars end in a gigantic thermonuclear explosion known as a supernova. These objects remain extremely bright for a few weeks, sometimes outshining the galaxies in which they reside. Their extreme brightness at maximum makes them potentially powerful “standard candles”—baselines for probing

Geochemist Steven Shirey is researching how Earth's continents formed. Continent formation spans most of Earth's history, continents were key to the emergence of life, and they contain a majority of Earth’s resources. Continental rocks also retain the geologic record of Earth's ancient geodynamic processes.

Shirey’s past, current, and future studies reflect the diversity of continental rocks, encompassing a range of studies that include rocks formed anywhere from the deep mantle to the surface crust. His work spans a wide range of geologic settings such as volcanic rocks in continental rifts (giant crustal breaks where continents split apart), ancient and