
Cell Phones That Never Need To Be Charged? Sound Wave-powered Devices Possible
Imagine a self-powering cell
phone that never needs to be
charged because it converts
sound waves produced by the
user into the energy it ne ... > full story

Possible Mechanism For Creating 'Handedness' In Biological Molecules
The basic molecules that
make up all living things
have a predetermined
chirality or "handedness,"
similar to the way people
... > full story

Polymer Solar Cells With Higher Efficiency Levels Created
Currently solar cells are
difficult to handle,
expensive to purchase and
complicated to install. The
hope is that consumers will
one day be able to buy solar
... > full story

Fast Molecular Rearrangements Hold Key To Plastic’s Toughness
Researchers report that
subjecting a common plastic
to physical stress - which
causes the plastic to flow -
also dramatically increases
... > full story
Browse News Stories
1 to 10 of 1,981 stories
view headlines only
-
Chemistry
Energy and the Environment
Inorganic Chemistry
Organic Chemistry
Materials Science
Biochemistry
Imidazolium Salts Show Powerful Antioxidant Properties To Fight Diseases And Are Efficient Catalysts For Converting Biofuels
December 1, 2008 Commonly used as solvents for various organic reactions, imidazolium salts are room-temperature ionic liquids that are chemically stable and have low vapor pressure. While their physical properties ... > full story -
The Perfect Nanoballoon: How Ultrathin 'Graphene' Carbon Sheets Keep Everything Inside
November 28, 2008 Airtight containers are not always so airtight. As any child will discover the day after a birthday party, even a tightly tied helium balloon will leak its gas out over the course of many hours. Now ... > full story -
Precise Measurement Of Phenomenon Advances Solar Cell Understanding
November 27, 2008 Researchers have shed light on a basic process that could improve future solar cells. They have now directly measured the rate of hole transfer between identical porphyrin compounds in their ground ... > full story -
Collapse Of Helium’s Chemical Nobility Predicted By Polish Chemist
November 26, 2008 140 years since its discovery, and despite the best endeavors of many scientists, helium, the lightest of the 'noble' gases, still stubbornly refuses to enter into any chemical alliance. Now a new ... > full story -
Synthetic Sea Worm Glue May Mend Shattered Knee, Face Bones
November 26, 2008 Sandcastle worms live in intertidal surf, building sturdy tube-shaped homes from bits of sand and shell and their own natural glue. Bioengineers have made a synthetic version of this seaworthy ... > full story -
New Light Shed On Catalyzed Reactions
November 26, 2008 Scientists searching for a better way to clean up the stubborn pollutant TCE have found a new way to watch the molecules break apart as individual chemical bonds are formed and broken. Researcher ... > full story -
New Catalysts Promise Faster, Cleaner And More Efficient Research Platform
November 26, 2008 A new class of catalysts provides a highly selective, efficient and environmentally friendly new platform for research in medicine, biology and materials ... > full story -
Microcapsules Act As 'Roach Motel' To Kill Harmful Bacteria
November 25, 2008 Scientists have created tiny microscopic spheres that trap and kill harmful bacteria in a manner the scientists liken to "roach motels" snaring and killing cockroaches. The research could lead to new ... > full story -
'Stress Tests' Probe Nanoscale Strains In Materials
November 25, 2008 Researchers have demonstrated their ability to measure relatively low levels of stress or strain in regions of a semiconductor device as small as 10nm across. Their recent results not only will ... > full story -
Pharmaceutical Testing: Test Identifies Toxic Platinum And Palladium Without Time-consuming Sample Pretreatment
November 24, 2008 The painstaking process of detecting toxic species of platinum and palladium mixed in with the form of platinum essential to certain pharmaceuticals could be reduced to one simple step, researchers ... > full story
Search ScienceDaily
Number of stories in archives: 61,829

