Latest science news in Physics & Chemistry

Shape Changes In Aroma-producing Molecules Determine The Fragrances We Detect

15 years ago from Science Daily

Shakespeare wrote "a rose by any other name would smell as sweet." But would it if the molecules that generate its fragrance were to change their shape?

New Type Of Laser Discovered

15 years ago from Science Daily

Researchers have discovered an entirely new mechanism for making common electronic materials emit laser beams. The finding could lead to lasers that operate more efficiently and at higher temperatures than...

The unequal effects of giving and taking

15 years ago from LA Times - Science

A new study appears to shed some light on why holiday gift-giving may be such a touchy matter and why your mother-in-law is still angry that you missed last year's...

Chaos Theory Simplified: Just Follow the Bouncing Droplet

15 years ago from Scientific American

Two researchers have created a strikingly simple model of chaotic behavior, in which variations in initial conditions become so tangled and magnified by the system's dynamics that the outcome appears...

Researchers create smaller, brighter probe tailored for molecular imaging and tumour targeting

15 years ago from

Researchers have developed a new generation of microscopic particles for molecular imaging, constituting one of the first promising nanoparticle platforms that may be readily adapted for tumour targeting and treatment...

Study on cytotoxicity of carbon nanotubes

15 years ago from

Owing to the novel properties of carbon nanotubes (CBNs), a series of problems associated with in vitro toxicity assessments of carbon nanotubes (CNTs) have appeared in many papers. In order...

Leptin's long-distance call to the pancreas

15 years ago from

Rube Goldberg - the cartoonist who devised complex machines for simple tasks - would have smiled at one of leptin's mechanisms for curbing insulin release. As Hinoi et al. show,...

Scientists reveal structure of new botulism nerve toxin subtype

15 years ago from

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have determined the atomic-level structure of a third subtype of botulinum neurotoxin - a deadly toxin produced by certain...

At a Sleek Bioenergy Lab, a Lens on a Cabinet Pick

15 years ago from NY Times Science

A look into the lab of Dr. Steven Chu, who President-elect Barack Obama has recently named the next energy secretary.

Feather scientists have Christmas all wrapped up

15 years ago from Physorg

(PhysOrg.com) -- Material scientists at The University of Manchester are causing a festive flap after developing a way of making Christmas wrapping paper - from TURKEY FEATHERS.

Storing the Breeze: New Battery Might Make Wind Power More Reliable

15 years ago from Scientific American

Winter winds howl off the Dakota prairie through Minnesota, turning the 1,100 megawatts worth of wind turbines in Xcel Energy's system in that state. By 2020, the utility expects to...

E. coli engineered to produce important class of antibiotic, anti-cancer drugs

15 years ago from Physorg

Researchers from the UCLA Henry Samueli School of Engineering and Applied Science have taken a major step forward in the field of metabolic engineering, successfully using the bacterium Escherichia coli...

New 'smart' materials for the brain

15 years ago from Biology News Net

Research done by scientists in Italy and Switzerland has shown that carbon nanotubes may be the ideal "smart" brain material. Their results, published December 21 in the advance online edition...

Can You "Superinsulate" It?

15 years ago from CBSNews - Science

With the hopes of dramatically cutting energy use, a family embarks on an outsized project to put a foam blanket around their 80-year-old house.

Dream of quantum computing closer to reality as mathematicians chase key breakthrough

15 years ago from Physorg

The ability to exploit the extraordinary properties of quantum mechanics in novel applications, such as a new generation of super-fast computers, has come closer following recent progress with some of...

Cancer-fighting antibodies

15 years ago from MIT Research

MIT engineers have found that antibodies do not need a particular sugar attachment long believed to be essential to their function, a discovery that could make producing therapeutic antibodies much...

Producing A More Effective Oral Form Of A Powerful Disease-fighting Protein

15 years ago from Science Daily

Scientists in Japan are reporting an advance toward using a natural disease-fighting protein in pills or syrups that patients can take by mouth rather than injection. Their study is the...

Inventor's 2020 vision: to help 1bn of the world's poorest see better

15 years ago from The Guardian - Science

It was a chance conversation on March 23 1985 ("in the afternoon, as I recall") that

Feature: The promise of fusion

15 years ago from Science Alert

Though fusion power faces many technical difficulties, fusion technology may eventually be able to deliver a great deal of power without significant greenhouse emissions.

Breakup produces seafloor roughness

15 years ago from Science Alert

Research has explained why the seafloor is rough in some places and smooth in others – it’s partly to do with the break-up of supercontinents.

Small Cars Make Safety Gains

15 years ago from CBSNews - Science

Small cars, which have become more popular with the fluctuation in gas prices, are becoming better equipped to protect motorists in serious crashes, according to tests by the insurance industry.

The "Detroit's A Loser" Myth

15 years ago from CBSNews - Science

The inconvenient truth is GM, Ford and Chrysler build a lot of really good - and often great - cars and we buy a lot of them.

Seven easy actions you can do today to save the environment and gas

15 years ago from

Want to save gasoline, lower your power bills and help save the environment? New Vanderbilt research identifies seven simple actions individuals can start today that have the potential to dramatically...

IBM researchers develop world's fastest graphene transistor

15 years ago from

IBM researchers announced that they demonstrated the operation of graphene field-effect transistors at GHz frequencies, and achieved the highest frequencies reported so far using this novel non-silicon electronic material...

Scientists create titanium-based structural metallic-glass composites

15 years ago from

Scientists from the California Institute of Technology (Caltech) have created a range of structural metallic-glass composites, based in titanium, that are lighter and less expensive than any the group had...

Dot Earth: Ask Obama’s Science Team

15 years ago from NY Times Science

What would you like to ask the science team advising the 44th president?

Computing in a molecule

15 years ago from Physorg

(PhysOrg.com) -- Over the last 60 years, ever-smaller generations of transistors have driven exponential growth in computing power. Could molecules, each turned into miniscule computer components, trigger even greater growth...

Uranium exposed

15 years ago from Chemistry World

US scientists have developed a way to tell if war veterans have been in contact with depleted uranium