Friday, August 22, 2014 - 11:08am
Calcium and reproduction go together
Everyone’s heard of the birds and the bees. But that old expression leaves out the flowers that are being fertilized. The fertilization process for flowering plants is particularly complex and requires extensive communication between the male and female reproductive cells. New research from an international team reports discoveries in the chemical signaling process that guides flowering plant fertilization.
Wednesday, March 21, 2012 - 8:48am
Mercury’s Surprising Core and Landscape Curiosities
As reported in one of two papers published today on Science Express, scientists have found that Mercury’s core, already suspected to occupy a greater fraction of the planet's interior than do the cores of Earth, Venus, or Mars, is even larger than anticipated. The companion paper shows that the elevation ranges on Mercury are much smaller than on Mars or the Moon and indicates that there have been large-scale changes to Mercury’s topography since early in the planet’s geological history.
Monday, August 6, 2012 - 2:25pm
Possible muscle disease therapeutic target found
The study of muscular system protein myostatin has been of great interest to researchers as a potential therapeutic target for people with muscular disorders. Although much is known about how myostatin affects muscle growth, there has been disagreement about what types of muscle cells it acts upon. New research from a team including Carnegie's Chen-Ming Fan and Christoph Lepper narrows down the field to one likely type of cell.
Monday, July 1, 2013 - 3:22pm
Superconductivity is a rare physical state in which matter is able to conduct electricity—maintain a flow of electrons—without any resistance. This phenomenon can only be found in certain materials under specific low-temperature and high-pressure conditions. Research to create superconductors at higher temperatures has been ongoing for two decades with the promise of significant impact on electrical transmission. New research found unexpected superconductivity that could help scientists better understand the structural changes that create this rare phenomenon.
Thursday, December 10, 2009 - 7:47am
Breakthrough in Monitoring Tropical Deforestation Announced in Copenhagen
New technology, developed by a team of scientists at Carnegie’s Department of Global Ecology, is revolutionizing forest monitoring by marrying free satellite imagery and powerful analytical methods in an easy-to-use, desktop software package called CLASlite. Thus far, 70 government, non-government, and academic organizations in five countries have adopted the technology, with more on the horizon. The team announced its new web site for CLASlite users at the Copenhagen climate meetings today (http://claslite.ciw.edu).
Monday, February 27, 2012 - 3:51pm
Amoeba may offer key clue to photosynthetic evolution
The major difference between plant and animal cells is the photosynthetic process, which converts light energy into chemical energy. When light isn’t available, energy is generated by breaking down carbohydrates and sugars, just as it is in animal and some bacterial cells. Two cellular organelles are responsible for these two processes: the chloroplasts for photosynthesis and the mitochondria for sugar breakdown. New research from Carnegie’s Eva Nowack and Arthur Grossman has opened a window into the early stages of chloroplast evolution.
Monday, August 23, 2010 - 7:02am
Educational Pioneer BioEYES Goes Down Under
The innovative, educational, outreach program BioEYES has now been adopted by Monash University and the Australian Regenerative Medicine Institute. The down-under partnership program debuts this August. BioEYES is designed to foster an interest in and a love for science in elementary, middle, and high school students. Over the course of one week, students watch the transparent zebrafish, Danio rerio, grow from a single-celled zygote to a larval fish complete with a beating heart.
Wednesday, April 24, 2013 - 3:08pm
Ancient Earth crust stored in deep mantle
Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth’s crust. But decisive evidence for this phenomenon has proven elusive. New research from a team including Carnegie’s Erik Hauri demonstrates that oceanic volcanic rocks contain samples of recycled crust dating back to the Archean era 2.5 billion years ago.
Thursday, April 20, 2006 - 11:01am
Cellulose fiber formation tracked for the first time
Scientists from the Carnegie Institution and Stanford are the first to observe the formation of cellulose, the most abundant biological material on Earth and a favored target of plant-based biofuels research...
Monday, March 21, 2011 - 2:49pm
Revisiting 1950s experiments for signs of life’s origin
In the 1950s, biochemist Stanley Miller performed a series of experiments to demonstrate that organic compounds could be created under conditions mimicking the primordial Earth. Some unused samples from Miller’s research were recently uncovered by a team of scientists, including Jim Cleaves, of Carnegie’s Geophysical Laboratory. Their findings, carried out using modern techniques , indicate the possible importance of volcanoes and sulfur in the formation of amino acids, and possibly life, on earth.
Tuesday, December 4, 2012 - 7:38am
Carnegie debuts revolutionary biosphere mapping capability at AGU
Researchers from the Carnegie Institution are rolling out results from the new Airborne Taxonomic Mapping System, or AToMS, for the first time at the American Geophysical Union (AGU) meetings in San Francisco. The groundbreaking technology and its scientific observations are uncovering a previously invisible ecological world. To watch a video about how AToMS is helping researchers look at the world in a whole new way, click here.
Wednesday, May 21, 2014 - 12:31pm
New technique reveals supernova progenitor
Wolf-Rayet stars are very large and very hot. Astronomers have long wondered whether Wolf-Rayet stars are the progenitors of certain types of supernovae. New work has identified a Wolf-Rayet star as the likely progenitor of a recently exploded supernova.
Wednesday, January 28, 2009 - 11:27am
Carnegie’s Arthur Grossman Receives Gilbert Morgan Smith Medal
The National Academy of Sciences has awarded Arthur Grossman, of the Carnegie Institution’s Department of Plant Biology, the 2009 Gilbert Morgan Smith Medal “in recognition of excellence in published research on marine or freshwater algae.” The award was established through the Helen P. Smith Fund.
Tuesday, July 28, 2009 - 10:42am
Australia Gets $72 Million for the GMT
The Australian government has announced that it will provide $88.4 million AUD ($72.4 million USD) to help fund the revolutionary 25-meter Giant Magellan Telescope (GMT) to be sited at Las Campanas Observatory in Chile’s high-altitude Atacama Desert. This brings the funding that has been raised to date to $200 million out of approximately $700 million total needed to complete construction, which is scheduled for 2019.
Thursday, August 14, 2014 - 1:25pm
Wendy Freedman Departs; John Mulchaey Becomes Acting Director of the Observatories
Wendy Freedman, the Crawford H. Greenewalt Director of the Carnegie Observatories and chair of the Giant Magellan Telescope Organization has accepted a position as a University Professor of Astronomy & Astrophysics at the University of Chicago, departing Carnegie September 1, 2014. Associate Director for Academic Affairs at the Observatories, John Mulchaey, will take over then as acting director.
Tuesday, February 17, 2009 - 1:50pm
Decisive Action Needed as Warming Predictions Worsen, Says Carnegie Scientist
Greenhouse gases in the atmosphere are rising more rapidly than expected, increasing the danger that without aggressive action to reduce emissions the climate system could cross a critical threshold by the end of the century, warns a leading member of the Nobel Prize-winning Intergovernmental Panel on Climate Change. Studies indicate that greenhouse warming could trigger a vicious cycle of feedback, in which carbon dioxide released from thawing tundra and increasingly fire-prone forests drives global temperatures even higher.
Thursday, June 25, 2009 - 9:27am
Stem cell surprise for tissue regeneration
Scientists working at the Carnegie Institution’s Department of Embryology have overturned previous research that identified critical genes for making muscle stem cells. It turns out that the genes that make muscle stem cells in the embryo are surprisingly not needed in adult muscle stem cells to regenerate muscles after injury. The finding challenges the current course of research into muscular dystrophy, muscle injury, and regenerative medicine; it also favors using age-matched stem cells for therapy.
Thursday, December 3, 2009 - 1:19pm
Hawaiian Hot Spot Has Deep Roots
A classic explanation for oceanic hot spots such as Hawaii has been that they originate from upwellings of hot rock, called mantle “plumes,”deep in the Earth‘s mantle. Evidence for these deep structures has been sketchy, however. Now, Carnegie scientists have used a sophisticated array of seismometers deployed on the sea floor around Hawaii to obtain the first high-resolution seismic images of a mantle plume extending to depths of at least 1,500 kilometers (932 miles).