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News articles about "Environment"

Better tissue healing with disappearing hydrogels

When stem cells are used to regenerate bone tissue many wind up migrating away from the repair site which disrupts the healing process But a technique employed by a University of Rochester research team keeps ... - Read More

Saving trees in tropics could cut emissions by one-fifth, study shows

Reducing deforestation in the tropics would significantly cut the amount of carbon dioxide emitted into the atmosphere by as much as one fifth research shows In the first study of its kind scientists have calculated ... - Read More

Optical invisibility cloak built for diffusive media (like fog or milk)

Real invisibility cloaks are rather complex and work in certain situations only The laws of physics prevent an optical invisibility cloak from making objects in air invisible for any directions colors and polarizations If the ... - Read More

Design of self-assembling protein nanomachines starts to click: A nanocage builds itself from engineered components

A route for constructing protein nanomachines engineered for specific applications may be closer to reality Biological systems produce an incredible array of self assembling functional protein tools Some examples of these nanoscale protein materials are ... - Read More

Opening a wide window on the nano-world of surface catalysis

Surface catalysts are notoriously difficult to study mechanistically but scientists at the University of South Carolina and Rice University have shown how to get real time reaction information from Ag nanocatalysts that have long frustrated ... - Read More

Modern ocean acidification is outpacing ancient upheaval: Rate may be ten times faster

Some 56 million years ago a massive pulse of carbon dioxide into the atmosphere sent global temperatures soaring In the oceans carbonate sediments dissolved some organisms went extinct and others evolved Scientists have long suspected ... - Read More

Vanishing da Vinci: Nondestructive way to determine state of degradation of ancient works of art

One of Leonardo da Vinci's masterpieces drawn in red chalk on paper during the early 1500s and widely believed to be a self portrait is in extremely poor condition Centuries of exposure to humid storage ... - Read More

Reducing emissions will be primary way to fight climate change, study finds

Forget about positioning giant mirrors in space to reduce the amount of sunlight being trapped in Earth's atmosphere or seeding clouds to reduce the amount of light entering earth's atmosphere Those approaches to climate engineering ... - Read More

Observing the random diffusion of missing atoms in graphene

Imperfections in the regular atomic arrangements in crystals determine many of the properties of a material and their diffusion is behind many microstructural changes in solids However imaging non repeating atomic arrangements is difficult in ... - Read More

World's best thermometer made from light

University of Adelaide physics researchers have produced the world's most sensitive thermometer three times more precise than the best thermometers in existence Published in the journal Physical Review Letters the researchers from the University's Institute ... - Read More

Doing more with less: in cellulo structure determinations

Anyone involved in macromolecular crystallography will know that for many years scientists have had to rely on a multi stage process utilizing protein usually expressed in engineered cells which is then extracted and purified before ... - Read More

Compact, extremely small-scale incubator microscope to examine cells in time lapse

Biologists and doctors rely heavily on incubators and microscopes Now the Fraunhofer Institute for Biomedical Engineering IBMT has come up with a novel solution that combines the functions of both these tools in a compact ... - Read More

New global maps of livestock distribution

Led by Marius Gilbert Interfaculty School of Bioengineering Université libre de Bruxelles and Tim Robinson ILRI Kenya an international researcher team established new global maps of livestock distribution This study should help to measure the ... - Read More

Caught by a hair: Quick, new identification of hair may help crime fighters

Crime fighters could have a new tool at their disposal following promising research by Queen's professor Diane Beauchemin Dr Beauchemin Chemistry and student Lily Huang MSc'15 have developed a cutting edge technique to identify human ... - Read More

Babbling brooks adding to climate change?

Studying stream bubbles isn't exactly a walk in the park What with the mud and ticks the long days hiking and swimming through mucky streams the sun exposure and scratching brush But in the end ... - Read More

Buried fossil soils found to be awash in carbon

Soils that formed on Earth's surface thousands of years ago and that are now deeply buried features of vanished landscapes have been found to be rich in carbon adding a new dimension to our planet's ... - Read More

Rules to cut carbon emissions also reduce air pollution harmful to people, environment

Setting strong standards for climate changing carbon emissions from power plants would provide an added bonus reductions in other air pollutants that can make people sick damage forests crops and lakes and harm fish and ... - Read More

Particles near absolute zero do not break the laws of physics after all

A change of models demystifies anomalous particle behaviour at very low temperatures confirming that the third law of thermodynamics has not been violated In theory the laws of physics are absolute However when it comes ... - Read More

Scientists Pinpoint the Creeping Nanocrystals Behind Lithium-Ion Battery Degradation

Batteries do not age gracefully The lithium ions that power portable electronics cause lingering structural damage with each cycle of charge and discharge making devices from smartphones to tablets tick toward zero faster and faster ... - Read More

'Listening' helps scientists track bats without exposing animals to disease

A fungus that infects bats as they hibernate is killing them by the millions placing three species in the East perilously close to being declared endangered or perhaps beyond towards extinction How to know the ... - Read More
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