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News tagged with volatility

A hint of frog in the air: Macrolides are volatile pheromones from Madagascar frogs

Amphibians are at home in water, but can they also sense volatile compounds in the air? “Indeed they can,” reports Stefan Schulz. Working with colleague Miguel Vences and Ph.D. students Dennis Poth ...

Chemistry / Biochemistry

created Jan 24, 2012 | popularity not rated yet | comments 0 | with audio podcast

Decoding corn defenses for improved pest resistance

(PhysOrg.com) -- A clearer picture of corn's biochemical responses to insect and fungal attacks is emerging, thanks to U.S. Department of Agriculture (USDA) studies in Gainesville, Fla.

Biology / Biotechnology

created Jan 06, 2012 | popularity not rated yet | comments 0

Bacterial filters reduce stink from big pig factories

Concentrated animal feeding operations (CAFOs) on industrial animal factories can stink up an entire county, due to ammonia, and a smorgasbord of volatile organic compounds (VOCs). Jeppe Lund Nielsen of Aalborg University, ...

Biology / Cell & Microbiology

created Dec 16, 2011 | popularity 5 / 5 (2) | comments 0

Findings on biochar, greenhouse gas emissions and ethylene

Adding a charred biomass material called biochar to glacial soils can help reduce emissions of the greenhouse gases carbon dioxide and nitrous oxide, according to U.S. Department of Agriculture (USDA) scientists.

Space & Earth / Environment

created Dec 13, 2011 | popularity not rated yet | comments 1

Solar storms could 'sandblast' the moon

(PhysOrg.com) -- Solar storms and associated Coronal Mass Ejections (CMEs) can significantly erode the lunar surface according to a new set of computer simulations by NASA scientists. In addition to removing ...

Space & Earth / Space Exploration

created Dec 06, 2011 | popularity 4.3 / 5 (3) | comments 4 | with audio podcast

New device uses gold nanoparticles to test for lung cancer

The metabolism of lung cancer patients is different than the metabolism of healthy people. And so the molecules that make up cancer patients' exhaled breath are different too. A new device pioneered at the University of Colorado ...

Nanotechnology / Bio & Medicine

created Nov 17, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Drinking water from plastic pipes - is it harmful?

Pipe-in-pipe systems are now commonly used to distribute water in many homes. The inner pipe for drinking water is made of a plastic called cross-linked polyethylene (PEX). Are these pipes harmful to health and do they affect ...

Medicine & Health / Health

created Nov 08, 2011 | popularity 5 / 5 (1) | comments 0

Advance toward a breath test to diagnose multiple sclerosis

Scientists are reporting the development and successful tests in humans of a sensor array that can diagnose multiple sclerosis (MS) from exhaled breath, an advance that they describe as a landmark in the long ...

Chemistry / Analytical Chemistry

created Oct 26, 2011 | popularity 5 / 5 (2) | comments 0

Can aromatherapy produce harmful indoor air pollutants?

Spas that offer massage therapy using fragrant essential oils, called aromatherapy, may have elevated levels of potentially harmful indoor air pollutants such as volatile organic compounds (VOCs) and ultrafine ...

Space & Earth / Environment

created Oct 20, 2011 | popularity 4 / 5 (1) | comments 0

India's TCS slides near 8% as earnings disappoint

Shares in India's biggest software exporter TCS plunged nearly eight percent on Tuesday, a day after the firm posted earnings figures that fell short of market expectations.

Technology / Business

created Oct 18, 2011 | popularity not rated yet | comments 0

Plant body clock observed in tropical forest research

(PhysOrg.com) -- Predictions of the ground-level pollutant ozone will be more accurate in future according to research published today by environment scientists at research centres including the University of Birmingham in ...

Space & Earth / Earth Sciences

created Sep 26, 2011 | popularity not rated yet | comments 0 | with audio podcast

Facebook delaying IPO until late 2012

Facebook plans to wait until late next year before going public, the Financial Times reported on Wednesday.

Technology / Business

created Sep 14, 2011 | popularity not rated yet | comments 1

Scientists utilise breath and sweat to detect trapped humans

Molecules in their breath, sweat and skin have been used to detect humans in a simulation of a collapsed building, raising the prospect of portable sensors for use in real-life situations, such as the devastating aftermath ...

Chemistry / Analytical Chemistry

created Sep 11, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

University chemists devise means to stabilize explosive CL-20

(PhysOrg.com) -- University of Michigan colleagues Adam Matzger and Onas Bolto have devised a means for making the transport and use of the highly explosive material CL-20 more stable. They describe in their ...

Chemistry / Materials Science

created Sep 09, 2011 | popularity 4.3 / 5 (3) | comments 3 | with audio podcast report

Sniffer dogs can be used to detect lung cancer

Sniffer dogs could be used for the early detection of lung cancer, according to new research published in the European Respiratory Journal.

Medicine & Health / Cancer

created Aug 18, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast