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News articles about "Chemistry"

Great Oxidation Event: More oxygen through multicellularity

Oxygen, Oxygen , Oxygen
The appearance of free oxygen in Earth's atmosphere led to the Great Oxidation Event This was triggered by cyanobacteria producing the oxygen which developed into multicellular forms as early as 2.3 billion years ago As ... - Read More

Using snail teeth to improve solar cells and batteries

cells, cells
An assistant professor at the University of California Riverside's Bourns College of Engineering is using the teeth of a marine snail found off the coast of California to create less costly and more efficient nanoscale ... - Read More

Engineer making rechargeable batteries with layered nanomaterials

A Kansas State University researcher is developing more efficient ways to save costs time and energy when creating nanomaterials and lithium ion batteries Share This See Also Batteries Graphene Spintronics Materials Science Alternative Fuels Engineering ... - Read More

2012 sustained long-term climate warming trend, NASA finds

Temperature
NASA scientists say 2012 was the ninth warmest of any year since 1880 continuing a long term trend of rising global temperatures With the exception of 1998 the nine warmest years in the 132 year ... - Read More

Fetal exposure to PVC plastic chemical linked to obesity in offspring

Exposing pregnant mice to low doses of the chemical tributyltin which is used in marine hull paint and PVC plastic can lead to obesity for multiple generations without subsequent exposure a UC Irvine study has ... - Read More

Gas that triggers ozone destruction revealed

Scientists at the Universities of York and Leeds have made a significant discovery about the cause of the destruction of ozone over oceans Share This See Also Ozone Holes Atmosphere Environmental Issues Air Quality Oceanography ... - Read More

Jumping droplets help heat transfer: Scalable nanopatterned surfaces for more efficient power generation and desalination

Heat transfer, Heat, Heat transfer
Many industrial plants depend on water vapor condensing on metal plates In power plants the resulting water is then returned to a boiler to be vaporized again in desalination plants it yields a supply of ... - Read More

DNA prefers to dive head first into nanopores

DNA, DNA, DNA, DNA, DNA, DNA
If you want to understand a novel it helps to start from the beginning rather than trying to pick up the plot from somewhere in the middle The same goes for analyzing a strand of ... - Read More

Molecular machine could hold key to more efficient manufacturing

Molecular
An industrial revolution on a minute scale is taking place in laboratories at The University of Manchester with the development of a highly complex machine that mimics how molecules are made in nature Share This ... - Read More

New nanotech fiber: Robust handling, shocking performance

Nanotech
Rice University's latest nanotechnology breakthrough was more than 10 years in the making but it still came with a shock Scientists from Rice the Dutch firm Teijin Aramid the U S Air Force and Israel's ... - Read More

New material harvests energy from water vapor

Material, Water, Energy, Energy, Energy, Water
MIT engineers have created a new polymer film that can generate electricity by drawing on a ubiquitous source water vapor Share This See Also Energy Technology Electricity Nature of Water Materials Science Solar Energy Thermodynamics ... - Read More

Fusion helped by collision science

Understanding the mechanisms of electron molecule collisions could help predict the operations inside the fusion chamber of the ITER reactor Share This See Also Physics Nuclear Energy Spintronics Electricity Materials Science Chemistry Beryllium Hydrogen like ... - Read More

How to treat heat like light: New approach using nanoparticle alloys allows heat to be focused or reflected just like electromagnetic waves

Heat
An MIT researcher has developed a technique that provides a new way of manipulating heat allowing it to be controlled much as light waves can be manipulated by lenses and mirrors Share This See Also ... - Read More

Building electronics from the ground up

Building, Electronics, Electronics
There's hardly a moment in modern life that doesn't involve electronic devices whether they're guiding you to a destination by GPS or deciding which incoming messages merit a beep ring or vibration But our expectation ... - Read More

Chemical modules that mimic predator-prey and other behaviors devised

Chemical, Chemical
Scientists are reporting development of chemical modules that can reproduce on an unprecedented molecular level changes and interactions that occur in natural populations of plants and animals including those of hunting and being hunted for ... - Read More

Mussels inspire innovative new adhesive for surgery

Adhesive
Mussels can be a mouthwatering meal but the chemistry that lets mussels stick to underwater surfaces may also provide a highly adhesive wound closure and more effective healing from surgery Share This See Also Wounds ... - Read More

Death on a nanometer scale: Study measures holes antibacterials create in cell walls

Bacteria
The rise of antibiotic resistant bacteria has initiated a quest for alternatives to conventional antibiotics One potential alternative is PlyC a potent enzyme that kills the bacteria that causes strep throat and streptococcal toxic shock ... - Read More

3-D mapping of lipid orientation in biological tissues such as skin

Lipid
A non invasive method that makes it possible to observe in situ how assemblies of lipids are oriented in biological tissues and which does not require any labeling or preparation has been developed by physicists ... - Read More

Chemistry resolves toxic concerns about carbon nanotubes, experts say

Chemistry, Carbon nanotubes, Carbon, Chemistry, Chemistry
Safety fears about carbon nanotubes due to their structural similarity to asbestos have been alleviated following research showing that reducing their length removes their toxic properties experts say Share This See Also Pharmacology Personalized Medicine ... - Read More

Researchers Propose New Way to Look at the Dawn of Life

Released 12 12 2012 5 35 PM ESTSource Arizona State University College of Liberal Arts and Sciences Jan 16 2013 One of the great mysteries of life is how it began What physical process transformed ... - Read More
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