News tagged with mineral composition


Scientists closer to making implantable bone material

Scientists closer to making implantable bone material

Chemistry / Materials Science

created Jul 26, 2009 | popularity 4.3 / 5 (4) | comments 1

(PhysOrg.com) -- Scientists are closer to understanding how to grow replacement bones with stem cell technology, thanks to research published today in the journal Nature Materials.


Ultra-fine coatings on sediment grains influence nitrate and sulfate storage in soil

Space & Earth / Environment

created Feb 23, 2009 | popularity 5 / 5 (1) | comments 0

Tiny sediment grains are covered with a very fine-grained, complex mixture of minerals in an open fabric that results in a large surface area in contact with water between the grains. Scientists at the U.S. Geological Survey ...





Search results for mineral composition


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

Space & Earth / Earth Sciences

created Dec 20, 2009 | popularity 2.8 / 5 (34) | comments 29

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 gases.


Added sugar in raisin cereals increases acidity of dental plaque

Medicine & Health / Health

created Dec 18, 2009 | popularity 5 / 5 (1) | comments 0

Elevated dental plaque acid is a risk factor that contributes to cavities in children. But eating bran flakes with raisins containing no added sugar does not promote more acid in dental plaque than bran flakes alone, according ...


Bioactive glass nanofibers produced

Bioactive glass nanofibers produced

Nanotechnology / Nanomaterials

created Dec 18, 2009 | popularity 4 / 5 (6) | comments 0

A team of researchers from the University of Vigo, Rutgers University in the United States and Imperial College London, in the United Kingdom, has developed "laser spinning", a novel method of producing glass ...


Avatar's moon Pandora could be real

Avatar's moon Pandora could be real

Space & Earth / Astronomy

created Dec 17, 2009 | popularity 4.3 / 5 (26) | comments 10

In the new blockbuster Avatar, humans visit the habitable - and inhabited - alien moon called Pandora. Life-bearing moons like Pandora or the Star Wars forest moon of Endor are a staple of science fiction. ...


Researcher studies the universe through quantum electrodynamics

Physics / Quantum Physics

created Dec 17, 2009 | popularity 3.6 / 5 (9) | comments 0

(PhysOrg.com) -- Fundamental constants, such as the standards for length and mass, are a given in our society. However, research has shown that these constants might be changing slightly with the expansion of the universe.


Fertilizer use not always helpful in revegetation efforts

Space & Earth / Environment

created Dec 17, 2009 | popularity 4.6 / 5 (5) | comments 3

Companies and communities trying to restore vegetation on damaged northern landscapes should think twice about using fertilizer to stimulate growth according to new research published in the November issue of Arctic, Antarctic an ...


Should flowers be banned in hospitals?

Medicine & Health / Health

created Dec 17, 2009 | popularity 4 / 5 (1) | comments 0

Does flower water harbour potentially deadly bacteria? Do bedside blooms compete with patients for oxygen? Do bouquets pose a health and safety risk around medical equipment?


Merapi volcano

Pre-eruption earthquakes offer clues to volcano forecasters

Space & Earth / Earth Sciences

created Dec 16, 2009 | popularity 4.7 / 5 (3) | comments 1

Like an angry dog, a volcano growls before it bites, shaking the ground and getting "noisy" before erupting. This activity gives scientists an opportunity to study the tumult beneath a volcano and may help ...


Mars Reconnaissance Orbiter

NASA's Mars Reconnaissance Orbiter Resumes Observations

Space & Earth / Space Exploration

created Dec 16, 2009 | popularity 4.6 / 5 (5) | comments 0

(PhysOrg.com) -- Researchers are receiving new science data from NASA's Mars Reconnaissance Orbiter after the spacecraft's six science instruments resumed observations today.


Fault weaknesses, the center cannot hold for some geologic faults

Fault weaknesses, the center cannot hold for some geologic faults

Space & Earth / Earth Sciences

created Dec 16, 2009 | popularity 5 / 5 (4) | comments 0

Some geologic faults that appear strong and stable, slip and slide like weak faults. Now an international team of researchers has laboratory evidence showing why some faults that "should not" slip are weaker ...



List of search results for mineral composition