News tagged with gas composition

A supernova cocoon breakthrough

(Phys.org) -- Observations with NASA's Chandra X-ray Observatory have provided the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. This discovery ...

Space & Earth / Astronomy

created May 15, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Russia 'drills into' Antarctic subglacial lake

A Russian team has succeeded in drilling through four kilometres (2.5 miles) of ice to the surface of a mythical subglacial Antarctic lake which could hold as yet unknown life forms, reports said Monday.

Space & Earth / Earth Sciences

created Feb 06, 2012 | popularity 4.8 / 5 (13) | comments 13

Cockroach 'let's hook up' chemical signal could benefit endangered woodpecker

A North Carolina State University discovery of the unique chemical composition of a cockroach signal -- a "Let's hook up" sex pheromone emitted by certain female wood cockroaches to entice potential mates ...

Biology / Plants & Animals

created Dec 19, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Hubble snaps sharp image of cosmic concoction (w/ Video)

(PhysOrg.com) -- A colourful star-forming region is featured in this stunning new NASA/ESA Hubble Space Telescope image of NGC 2467. Looking like a roiling cauldron of some exotic cosmic brew, huge clouds ...

Space & Earth / Astronomy

created Jul 13, 2010 | popularity 4.6 / 5 (19) | comments 4 | with audio podcast

A pulsar's mysterious tail

(PhysOrg.com) -- A spinning neutron star is tied to a mysterious tail -- or so it seems. Astronomers using NASA's Chandra X-ray Observatory have found that this pulsar, known as PSR J0357+3205 (or PSR J0357 ...

Space & Earth / Astronomy

created Jul 14, 2011 | popularity 4.6 / 5 (7) | comments 4 | with audio podcast

Alchemy in Tanzania? Gas Becomes Solid at Surface of Oldoinyo Lengai Volcano

(PhysOrg.com) -- Science has unearthed the secret to what might have been alchemy at Oldoinyo Lengai volcano in Tanzania.

Space & Earth / Earth Sciences

created May 06, 2009 | popularity 4.1 / 5 (8) | comments 0

Hubble telescope makes one millionth science observation

NASA's Hubble Space Telescope crossed another milestone in its space odyssey of exploration and discovery. On Monday, July 4, the Earth-orbiting observatory logged its one millionth science observation during ...

Space & Earth / Space Exploration

created Jul 05, 2011 | popularity 5 / 5 (6) | comments 5 | with audio podcast

Going with the flow: Researchers find compaction bands in sandstone are permeable

When geologists survey an area of land for the potential that gas or petroleum deposits could exist there, they must take into account the composition of rocks that lie below the surface. Take, for instance, ...

Space & Earth / Earth Sciences

created Jun 06, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Good preparation is key -- even for plant cells and symbiotic fungi

Not only mineral oil and petroleum gas, also phosphorous is a scarce resource. According to well-respected scientists who gathered together for a conference in Cambridge this August, we will face significant problems relating ...

Biology / Biotechnology

created Nov 14, 2011 | popularity not rated yet | comments 0 | with audio podcast

Galaxy Cluster Abell 3627: Two Tails to Tell

(PhysOrg.com) -- Two spectacular tails of X-ray emission has been seen trailing behind a galaxy using the Chandra X-ray Observatory.

Space & Earth / Astronomy

created Jan 22, 2010 | popularity 5 / 5 (5) | comments 1 | with audio podcast

ARPA-E funding supports research on carbon dioxide removal from flue gases

Researchers at the Georgia Institute of Technology are using funding from the Advanced Research Projects Agency - Energy - also known as ARPA-E - to pursue two different, but related, approaches for removing ...

Space & Earth / Environment

created Aug 13, 2010 | popularity 3.2 / 5 (5) | comments 3 | with audio podcast

Global warming likely to be amplified by slow changes to Earth systems

Researchers studying a period of high carbon dioxide levels and warm climate several million years ago have concluded that slow changes such as melting ice sheets amplified the initial warming caused by greenhouse ...

Space & Earth / Earth Sciences

created Dec 20, 2009 | popularity 2.8 / 5 (49) | comments 59

New carbon fibre polymer pipe will recover hydrocarbons from the most challenging offshore fields

Deepwater production is the fastest growing source of oil and gas reserves. Cambridge engineers are currently solving many of the formidable challenges in accessing these fields. One group, at Magma Global, ...

Technology / Engineering

created Feb 20, 2012 | popularity 5 / 5 (2) | comments 0

Unaccounted feedbacks from climate-induced ecosystem changes may increase future climate warming

In addition to the carbon cycle-climate interactions that have been a major focus of modeling work in recent years, other biogeochemistry feedbacks could be at least equally important for future climate change. The authors ...

Space & Earth / Earth Sciences

created Jul 25, 2010 | popularity 3.9 / 5 (7) | comments 9 | with audio podcast

Snowball Earth hypothesis challenged

The hypothesis that the Earth was completely covered in ice 635 million years ago has received a serious blow. The atmospheric concentration of CO2 during that period was much lower than previously thought, ...

Space & Earth / Earth Sciences

created Oct 12, 2011 | popularity 5 / 5 (3) | comments 3