News tagged with chemical fossils

Extracting fuels and chemicals from plant life

Concerns over increasing global energy demand and the environmental impacts of fossil fuels are motivating the world’s researchers to try to develop alternative, renewable sources of energy.

Chemistry / Materials Science

created May 21, 2012 | popularity not rated yet | comments 0

Nanosheet catalyst discovered to sustainably split hydrogen from water

(Phys.org) -- Hydrogen gas offers one of the most promising sustainable energy alternatives to limited fossil fuels. But traditional methods of producing pure hydrogen face significant challenges in unlocking ...

Chemistry / Materials Science

created May 10, 2012 | popularity 5 / 5 (15) | comments 57 | with audio podcast

Solar thermal process produces cement with no carbon dioxide emissions

(Phys.org) -- While the largest contributor to anthropogenic greenhouse gas emissions is the power industry, the second largest is the more often overlooked cement industry, which accounts for 5-6% of all ...

Chemistry / Materials Science

created Apr 10, 2012 | popularity 4.6 / 5 (25) | comments 22 | with audio podcast report

Acidic Europa may eat away at chances for life

The ocean underneath the icy shell of Jupiter's moon Europa could be too acid to support life, due to compounds that may regularly migrate downward from its surface, researchers find.

Space & Earth / Space Exploration

created Mar 01, 2012 | popularity 4 / 5 (5) | comments 2 | with audio podcast

New metal catalyst drives hydrogen fuel reaction forwards and backwards

(PhysOrg.com) -- When it comes to driving hydrogen production, a new catalyst built at Pacific Northwest National Laboratory can do what was previously shown to happen only in nature: store energy in hydrogen and release ...

Chemistry / Materials Science

created Feb 16, 2012 | popularity 5 / 5 (11) | comments 0 | with audio podcast

Plant power: The ultimate way to 'go green'?

Researchers are turning to plants and solar power in the search for new sources of renewable and sustainable energy that can support the transition from rapidly depleting fossil fuels to a bio-based society. An article published ...

Chemistry / Biochemistry

created Feb 02, 2012 | popularity 4.5 / 5 (6) | comments 0 | with audio podcast

Solar rays could replace petroleum fuels, research shows

(PhysOrg.com) -- Alternative fuel sources for cars may have a glowing future as a Kansas State University graduate student is working to replace petroleum fuels with ones made from sunlight.

Chemistry / Materials Science

created Sep 13, 2011 | popularity 4.2 / 5 (13) | comments 13 | with audio podcast

Nature reaches for the high-hanging fruit

In the first study of its kind, researchers have used tools of paleontology to gain new insights into the diversity of natural plant chemicals. They have shown that during the evolution of these compounds nature doesn't settle ...

Chemistry / Biochemistry

created Aug 16, 2011 | popularity 5 / 5 (1) | comments 0

Putting sunshine in the tank

Working with the Universities of East Anglia, York and Nottingham and using nanotechnology 100,000 times smaller than the thickness of a human hair, the researchers are working on harnessing the vast energy of the Sun to ...

Chemistry / Materials Science

created Jul 05, 2011 | popularity not rated yet | comments 2

Reactor uses sunlight to make hydrocarbon fuel

Researchers have developed a reactor that can rapidly produce fuel from sunlight, using carbon dioxide and water, plus a compound called ceric oxide.

Chemistry / Materials Science

created Jan 12, 2011 | popularity 3.7 / 5 (3) | comments 6

Plants kick-start evolutionary drama of Earth's oxygenation

An international team of scientists, exploiting pioneering techniques at Arizona State University, has taken a significant step toward unlocking the secrets of oxygenation of the Earth's oceans and atmosphere.

Space & Earth / Earth Sciences

created Oct 08, 2010 | popularity 5 / 5 (10) | comments 1 | with audio podcast

Delineating primary and secondary organic carbon in neoproterozoic glacial sediments

How do we begin to understand what early life was like on Earth about 700 million years ago as our planet shifted from an oxygen-free and probably ice-covered realm to the oxygen-rich world that we know today?

Space & Earth / Earth Sciences

created Jun 16, 2010 | popularity 4.5 / 5 (2) | comments 1

X-rays reveal chemical link between birds and dinosaurs

Researchers have found that a 150 million year old "dinobird" fossil, long thought to contain nothing but fossilized bone and rock, has been hiding remnants of the animal's original chemistry. Using the bright ...

Other Sciences / Archaeology & Fossils

created May 10, 2010 | popularity 4.8 / 5 (8) | comments 0 | with audio podcast

Silicon nanohole solar cells aim to make photovoltaics cost-competitive

(PhysOrg.com) -- Due to the increasing demand for renewable energy sources, photovoltaic solar cells have advanced significantly over the past decade. Since 2002, photovoltaic production worldwide has been ...

Nanotechnology / Nanomaterials

created May 07, 2010 | popularity 4.5 / 5 (26) | comments 13 | with audio podcast feature

Marine Scientist Finds 'Little Ice Age' Had Dramatic Effect on Gulf

(PhysOrg.com) -- More than 350 years ago, the temperatures in northern Europe dropped dramatically in an event known as the “Little Ice Age.” Now - deep below the waters of the Gulf of Mexico and buried in ...

Space & Earth / Earth Sciences

created Feb 22, 2010 | popularity 4.7 / 5 (23) | comments 25 | with audio podcast