News tagged with chemical sciences

Organic carbon from Mars, but not biological

(Phys.org) -- Molecules containing large chains of carbon and hydrogen--the building blocks of all life on Earth--have been the targets of missions to Mars from Viking to the present day. While these molecules ...

Space & Earth / Space Exploration

created May 24, 2012 | popularity 4.4 / 5 (5) | comments 2 | with audio podcast

Nanofluidics sorts DNA for cancer research

(Phys.org) -- Cornell nanotechnology researchers have devised a new tool to study epigenetic changes in DNA that can cause cancer and other diseases: a nanoscale fluidic device that sorts and collects DNA, ...

Nanotechnology / Bio & Medicine

created May 24, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Forensic sleuth probes fate of royal lovers and lion hearts

The French media like to call him the "Indiana Jones of the graveyards", but perhaps a better tag would be the Sherlock Holmes of forensic science.

Other Sciences / Archaeology & Fossils

created May 24, 2012 | popularity 5 / 5 (2) | comments 0

UD professor leads efforts to support science students with disabilities

Karl Booksh points to data collected by the National Science Foundation (NSF) showing that Americans with disabilities make up some 10-15 percent of the population but account for less than 1 percent of those ...

Other Sciences / Other

created Apr 27, 2012 | popularity 5 / 5 (1) | comments 0

Emerging theoretical framework may guide researchers through the complex world of multiblock polymers

(Phys.org) -- Thanks to advances in polymer chemistry and a wide variety of monomer constituents to choose from, the world of multiblock polymers is wide open. These polymers can result in an astonishing array ...

Chemistry / Polymers

created Apr 26, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Plant perfumes woo beneficial bugs

Scientists funded by the Biotechnology and Biological Sciences Research Council (BBSRC) have discovered that maize crops emit chemical signals which attract growth-promoting microbes to live amongst their roots. This is the ...

Biology / Biotechnology

created Apr 24, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

In protein folding, internal friction may play a more significant role than previously thought

An international team of researchers has reported a new understanding of a little-known process that happens in virtually every cell of our bodies.

Chemistry / Biochemistry

created Apr 24, 2012 | popularity 4.8 / 5 (8) | comments 5 | with audio podcast

Shedding light on nature's nanoscale control of solar energy

Nature's process for storing solar energy occurs in light-absorbing protein complexes called photosynthetic reaction centers (RCs). Across billions of years of evolution, Nature has retained a common light-absorbing ...

Nanotechnology / Nanophysics

created Apr 18, 2012 | popularity 5 / 5 (1) | comments 2 | with audio podcast

Toxic menu: Marine worm feeds on carbon monoxide and hydrogen sulphide with the help of symbiotic bacteria

In a study published in the journal Proceedings of the National Academy of Sciences, scientists from the Max Planck Institute for Marine Microbiology in Bremen and Greifswald University, together with collea ...

Biology / Plants & Animals

created Apr 17, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Physicists control quantum tunneling with light for the first time

Scientists at the Cavendish Laboratory in Cambridge have used light to help push electrons through a classically impenetrable barrier. While quantum tunnelling is at the heart of the peculiar wave nature of particles, this ...

Physics / Quantum Physics

created Apr 05, 2012 | popularity 4.9 / 5 (15) | comments 11 | with audio podcast

Discovery of the first evidence for Pre-Columbian sources of Maya Blue

Once again, science and anthropology have teamed up to solve questions concerning the fascinating, brilliantly hued pigment known as Maya Blue. Impervious to the effects of chemical or physical weathering, the pigment was ...

Other Sciences / Archaeology & Fossils

created Apr 02, 2012 | popularity 4.1 / 5 (8) | comments 1 | with audio podcast

Two scientific articles on graphene-based sensors prove popular in the research community

When it comes to checking for trace levels of chemicals that could be the early warning signs of disease or chemical exposure, doctors and patients want to use as small of blood samples as possible. This drive for small samples ...

Nanotechnology / Nanomaterials

created Mar 28, 2012 | popularity not rated yet | comments 0

Pesticide additives cause drifting droplets, but can be controlled

(PhysOrg.com) -- Chemical additives that help agricultural pesticides adhere to their targets during spraying can lead to formation of smaller "satellite" droplets that cause those pesticides to drift into ...

Physics / General Physics

created Mar 20, 2012 | popularity 3 / 5 (2) | comments 0 | with audio podcast

Study finds how bacteria resist a 'Trojan horse' antibiotic

A new study describes how bacteria use a previously unknown means to defeat an antibiotic. The researchers found that the bacteria have modified a common "housekeeping" enzyme in a way that enables the enzyme ...

Chemistry / Biochemistry

created Mar 19, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Nerve gas litmus test could sense airborne chemical weapons

(PhysOrg.com) -- Nerve gases are colorless, odorless, tasteless and deadly. While today's soldiers carry masks and other protective gear, they don't have reliable ways of knowing when they need them in time. ...

Chemistry / Materials Science

created Mar 13, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast