Alpha (letter)

Alpha (Α α) is the first letter of the Greek alphabet and has a numeric value of 1.

The lower-case letter α is used as a symbol for angular acceleration in physics.

Alpha is often used as an adjective to indicate the first or most significant occurrence of something, as in alpha male or alpha version.

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In the News

Apple Says Your Money's No Good Here -- But We'll Take a Gift Card, Ma
As we reported Friday, Apple is trying to head off black market iPhone resellers by refusing to accept cash or check payments for iPhone sales. Stores will accept Apple gift cards as partial payment, we found, although policies seem to vary from store to store.

Edifice, Complex
Billowing glass. Rippling titanium. Swooping steel. The engineers and designers at Permasteelisa turn the world's most daring buildings into reality. By Karrie Jacobs from Wired magazine.

Irish Republican Army (IRA)
Questions and answers about this "organization dedicated to ending British rule in Northern Ireland and unifying the province with the neighboring Republic of Ireland."Discusses the Northern Ireland conflict, the composition of the IRA, attacks carried out by the IRA, leaders and members, and involvement of the United States in the conflict and peace process. From the Council on Foreign Relations.

[Scary] Pregnant woman says 'maternal instinct' helped her kill attack
FORT MITCHELL, Ky. - A pregnant woman who killed her attacker said a maternal instinct helped her fight off the woman who investigators believe was after her unborn child."I do believe that I fought harder because it was for my child,"Sarah Brady told ABC's "Good Morning America"in interviews aired Sunday and Monday. "It is a maternal instinct to protect your child to the very end."Katherine Smith, 22, died Thursday after luring Brady to her apartment to pick up a package supposedlydelivered to the wrong address. When Smith pulled out a knife and attacked the pregnant woman, Brady fought back, striking Smith on the head with an ash tray and stabbing her three times with her own knife, police said. Brady, 26, said she didn't know Smith before the two met at Smith's apartment and can't be certain why Smith wanted to kill her."I really am not sure what was going through her mind,"Brady told ABC. "The only thing I thought was that she was going to kill me and my child and that is the only thing that ran through my mind."

There may be a 'party' in your genes
Genetics play a pivotal role in shaping how individual's identify with political parties , according to new research.

Newly explored bacteria reveal some huge RNA surprises
Researchers have found very large RNA structures within previously unstudied bacteria that appear crucial to basic biological functions such as helping viruses infect cells or allowing genes to "jump" to different parts of the chromosome.

NPR Holidays
Holiday-related features from National Public Radio (NPR) programs. Includes audio from programs on memories and traditions, food, music, and movies. Also features commentaries and selections from NPR's recipe and music archives.

Roald Dahl's 'Fantastic Mr. Fox' Melds Classic Stop-Motion, Cutting-Ed
On the surface, stop-motion animation is a very low-tech process, but to create the world of Fantastic Mr. Fox, based on the beloved children's book by Roald Dahl, it required an architecture of cutting-edge technology capable of handling the 5,229 shots with 621,450 frames totaling 120 GB of data.


3-D TV That Actually Works
With a new line of LCD and plasma monitors from Philips, viewers see three-dimensional objects without having to wear glasses. By Seán Captain.

Coral Reef Remedies: Seaweed from Fiji Yields New Molecular Structures
Researchers have discovered 10 new molecular structures with pharmaceutical potential in a species of red seaweed that lives in the shallow coral reef along the coastline of Fiji in the south Pacific Ocean.Some of these natural compounds showed the potential to kill cancer cells, bacteria and the HIV virus, according to research at the Georgia Institute of Technology. In fact, two of them exhibit anti-bacterial activity towards antibiotic-resistant Staphylococcus aureus at concentrations worth pursuing.




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