Posts Tagged ‘carbon’

Volcanoes on early Mars likely kept it toasty

BROWN (US) —When giant volcanoes were active early in Mars’ history, the planet may have released enough methane to keep the planet significantly warmer than it is today. Continue…

Tuesday, April 9, 2013 15:33 - 0 Comments

Earth & Environment - Apr 1, 2013 13:25 - 3 Comments

New forests trap carbon underfoot

U. MICHIGAN (US) — Growing trees on formerly non-forested land can accumulate soil carbon that helps offset carbon emissions and climate change, say researchers. (more…)

Earth & Environment - Mar 26, 2013 10:53 - 0 Comments

After die-off, forests hold tight to carbon

U. ARIZONA (US) — After a massive tree die-off, conventional wisdom has it that a forest will go from carbon sink to carbon source, but new research shows it’s not as dramatic an effect as previously thought. (more…)

Earth & Environment - Mar 4, 2013 6:57 - 1 Comment

Melting permafrost may double greenhouse gas

UNC-CHAPEL HILL (US) — Bacteria munching on sun-baked carbon exposed by melting permafrost are converting 40 percent more carbon into greenhouse gasses. (more…)

Earth & Environment - Nov 30, 2012 13:37 - 0 Comments

To cut black carbon, replace kerosene lamps

UC BERKELEY (US) — Climate warming estimates have overlooked a significant source of black carbon—the kerosene lamps that over a billion people use as a primary source of light. (more…)

Earth & Environment - Nov 20, 2012 15:23 - 4 Comments

Computers show why Earth’s core is so dense

UC DAVIS (US) — Scientists have used computer simulations to solve a long-standing mystery: what accounts for Earth’s core density? (more…)

‘Seeds’ grow carbon nanotube clones

USC (US) — With a new “cloning” system, scientists can create carbon nanotubes with predefined structures. (more…)

Earth & Environment - Nov 6, 2012 15:18 - 0 Comments

Erosion’s hand in releasing buried carbon

UC DAVIS (US) — Erosion can bury carbon in the soil, acting as a carbon sink, but part of that sink is only temporary, a new study suggests. (more…)

Science & Technology - Nov 1, 2012 11:05 - 1 Comment

First ‘top to bottom’ carbon solar cell

STANFORD (US) — Researchers have developed a solar cell made entirely of carbon, an inexpensive substitute for the pricey materials currently used in conventional solar panels. (more…)

Science & Technology - Aug 10, 2012 13:13 - 0 Comments

Team unveils structure of diamond’s ‘cousin’

YALE (US) — Mineral physicists have confirmed the structure of cold-compressed graphite, a form of carbon so hard it can damage its cousin—diamond. (more…)

Earth & Environment - Jul 10, 2012 14:03 - 0 Comments

How forests store carbon as CO2 rises

INDIANA U. (US) — Rising carbon dioxide levels in the atmosphere affect carbon cycling and speed carbon loss from forest soils, research shows. (more…)

Earth & Environment - May 29, 2012 10:24 - 0 Comments

Saving seagrass could bury more carbon

U. VIRGINIA (US) — Per unit area, seagrass meadows can store up to twice as much carbon as the world’s temperate and tropical forests. (more…)

Science & Technology - Jan 24, 2012 14:16 - 0 Comments

Water sees right through graphene

RICE (US) — Graphene is largely transparent to the eye and, as it turns out, largely transparent to water. (more…)

Science & Technology - Jan 17, 2012 12:54 - 0 Comments

Carbon fibers yield graphene quantum dots

RICE (US) — Scientists have developed a one-step chemical process to turn carbon fibers into graphene quantum dots. (more…)

Science & Technology - Nov 22, 2011 7:25 - 0 Comments

Sort nanotubes for better electronics

STANFORD (US) — A new technique could make semiconducting carbon nanotubes more commercially viable for use in printable circuits, bendable display screens, stretchable electronics, and solar technology. (more…)

Science & Technology - Nov 18, 2011 11:07 - 0 Comments

Fuse DNA, nanotubes for better biosensors

PURDUE (US) — A new method for stacking synthetic DNA and carbon nanotubes onto a biosensor electrode may lead to more accurate ways to measure and manage diseases, such as diabetes. (more…)

Science & Technology - Sep 20, 2011 14:02 - 2 Comments

Fatal attraction: Cells ingest nanotubes

BROWN U. (US) — Carbon nanotubes and other long nanomaterials can spell trouble for cells. The reason: Cells mistake them for spheres and try to engulf them. (more…)

Science & Technology - Aug 24, 2011 10:11 - 1 Comment

Nano bundles offer ‘extreme’ storage

RICE U. (US) — A new solid-state, nanotube-based supercapacitor promises to combine the best qualities of high-energy batteries and fast-charging capacitors in a device suitable for extreme environments. (more…)

Science & Technology - Aug 5, 2011 13:45 - 0 Comments

Graphene Girl Scout cookies: $15 billion

RICE (US) — You can make graphene out of almost anything. Even Girl Scout cookies. And talk about profit—at $250 for a two-inch square, a box of shortbread cookies could earn $15 billion. (more…)

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