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Snowflake chemistry could give clues about ozone depletion

Snowflake chemistry could give clues about ozone depletion

Chemistry / Analytical Chemistry

created Dec 07, 2009 | popularity 5 / 5 (1) | comments 0

There is more to the snowflake than its ability to delight schoolchildren and snarl traffic.


Fine-tuned

Fine-tuned: A wholly new approach to tuning a laser's frequency

Physics / Optics & Photonics

created Dec 04, 2009 | popularity 4.4 / 5 (9) | comments 2

(PhysOrg.com) -- For more than 30 years, scientists have been trying to harness the power of terahertz radiation. Tucked between microwaves and infrared rays on the electromagnetic spectrum, terahertz rays ...


Lifelong memories linked to stable nerve connections

Lifelong memories linked to stable nerve connections

Medicine & Health / Neuroscience

created Dec 03, 2009 | popularity 5 / 5 (1) | comments 0

Our ability to learn new information and adapt to changes in our daily environment, as well as to retain lifelong memories, appears to lie in the minute junctions where nerve cells communicate, according to ...


Doctors Warn Against Holiday Heart Attack Spike

Medicine & Health / Health

created Dec 03, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- Some studies indicate that death rates from heart attacks and stroke as well as non-heart-related causes spike during the holiday season.


In the Brain, Seven Is A Magic Number

In the Brain, Seven Is A Magic Number

Physics / General Physics

created Nov 23, 2009 | popularity 4.4 / 5 (53) | comments 15

Having a tough time recalling a phone number someone spoke a few minutes ago or forgetting items from a mental grocery list is not a sign of mental decline; in fact, it's natural.


Multiple health concerns surface as winter, vitamin D deficiences arrive

Medicine & Health / Health

created Nov 23, 2009 | popularity 4.1 / 5 (8) | comments 3

A string of recent discoveries about the multiple health benefits of vitamin D has renewed interest in this multi-purpose nutrient, increased awareness of the huge numbers of people who are deficient in it, spurred research ...


Comcast's NBC talks cap its decades-long rise (AP)

Comcast's NBC talks cap its decades-long rise

Technology / Telecom

created Nov 16, 2009 | popularity not rated yet | comments 0

(AP) -- Ralph Roberts knew he was onto something big when people ran after his cable TV trucks in Tupelo, Miss., asking for a visit to their homes.


FDA questions safety of alcoholic energy drinks

Medicine & Health / Health

created Nov 13, 2009 | popularity 3.8 / 5 (6) | comments 6

(AP) -- The Food and Drug Administration is challenging makers of alcohol-infused energy drinks to prove their beverages are safe, citing complaints that the products can cause risky behavior and injury.


A line on string theory

A line on string theory

Physics / General Physics

created Nov 12, 2009 | popularity 4.7 / 5 (46) | comments 15

(PhysOrg.com) -- A Harvard theoretical physicist has discussed with scientists at the Large Hadron Collider in Switzerland the possibility that they may discover a theorized "stau" particle, with a lifetime ...


Record high temperatures far outpace record lows across US

Record high temperatures far outpace record lows across US (w/ Video)

Space & Earth / Earth Sciences

created Nov 12, 2009 | popularity 3 / 5 (28) | comments 7

Spurred by a warming climate, daily record high temperatures occurred twice as often as record lows over the last decade across the continental United States, new research shows. The ratio of record highs ...


Iowa State University researcher discovers key to vital DNA, protein interaction

Researchers discover key to vital DNA, protein interaction

Biology / Other

created Nov 09, 2009 | popularity 5 / 5 (4) | comments 0

(PhysOrg.com) -- A researcher at Iowa State University has discovered how a group of proteins from plant pathogenic bacteria interact with DNA in the plant cell, opening up the possibility for what the scientist ...


Russian rocket to launch from French Guiana in 2010

Space & Earth / Space Exploration

created Nov 07, 2009 | popularity 4.6 / 5 (5) | comments 4

A Russian rocket will next year for the first time blast off from a European launch pad in South America, officials said Saturday, as the first rockets headed for the site on board a ship.


Turn On, Tune In, Develop?

Turn On, Tune In, Develop? Researchers Examine How Brain Benefits From Musical Training

Medicine & Health / Neuroscience

created Nov 06, 2009 | popularity 5 / 5 (11) | comments 4

For most people music is an enjoyable, although momentary, form of entertainment. But for those who seriously practiced a musical instrument when they were young, perhaps when they played in a school orchestra ...


Capturing those in-between moments: Researchers solves timing problem in molecular modeling

Capturing those in-between moments: Researchers solves timing problem in molecular modeling

Physics / General Physics

created Nov 04, 2009 | popularity 5 / 5 (5) | comments 0

A theoretical physicist at the National Institute of Standards and Technology has developed a method for calculating the motions and forces of thousands of atoms simultaneously over a wider range of time scales ...


Calm before the spawn: Climate change and coral spawning

Space & Earth / Environment

created Nov 04, 2009 | popularity 1 / 5 (4) | comments 2

What's the point of setting up marine reserves to protect coral reefs from pollution, ship groundings and overfishing if climate change could cause far more damage? A study published this week in London in Proceedings of ...