Carnegie Institution for Science

Deep Earth heat surprise

The key to understanding Earth's evolution is to look at how heat is conducted in the deep lower mantle—a region some 400 to 1,800 miles (660 to 2,900 kilometers) below the surface. Researchers at the Carnegie ...

dateAug 09, 2013 in Earth Sciences
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How does hydrogen metallize?

Hydrogen is deceptively simple. It has only a single electron per atom, but it powers the sun and forms the majority of the observed universe. As such, it is naturally exposed to the entire range of pressures ...

dateJul 29, 2013 in Condensed Matter
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Solar system's youth gives clues to planet search

Comets and meteorites contain clues to our solar system's earliest days. But some of the findings are puzzle pieces that don't seem to fit well together. A new set of theoretical models from Carnegie's Alan Boss shows how ...

dateJul 24, 2013 in Astronomy
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Stem cell clues uncovered

Proper tissue function and regeneration is supported by stem cells, which reside in so-called niches. New work from Carnegie's Yixian Zheng and Haiyang Chen identifies an important component for regulating stem cell niches, ...

dateJul 12, 2013 in Cell & Microbiology
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Breakthrough: Sensors monitor cells at work

Transport proteins are responsible for moving materials such as nutrients and metabolic products through a cell's outer membrane, which seals and protects all living cells, to the cell's interior. These transported molecules ...

dateJul 02, 2013 in Cell & Microbiology
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Major changes needed for coral reef survival

To prevent coral reefs around the world from dying off, deep cuts in carbon dioxide emissions are required, says a new study from Carnegie's Katharine Ricke and Ken Caldeira. They find that all existing coral ...

dateJun 28, 2013 in Environment
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Dense hydrogen in a new light

(Phys.org) —Hydrogen is the most abundant element in the universe. The way it responds under extreme pressures and temperatures is crucial to our understanding of matter and the nature of hydrogen-rich ...

dateJun 03, 2013 in Condensed Matter
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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 ...

dateApr 24, 2013 in Earth Sciences
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Surprising predictor of ecosystem chemistry

Carnegie scientists have found that the plant species making up an ecosystem are better predictors of ecosystem chemistry than environmental conditions such as terrain, geology, or altitude. This is the first ...

dateApr 08, 2013 in Ecology
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Male lions use ambush hunting strategy

It has long been believed that male lions are dependent on females when it comes to hunting. But new evidence suggests that male lions are, in fact, very successful hunters in their own right. A new report ...

dateMar 18, 2013 in Plants & Animals
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