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TODAY IN HISTORY
DNA STRUCTURE DISCOVERED
February 28, 1953 - Cambridge, MA, U.S.A.
February 28, 1953 - Cambridge, MA, U.S.A.
James Watson, from early on this Saturday, spent his time at the Cavendish Laboratory in Cambridge, shuffling cardboard cutout models of the molecules of the DNA bases: adenine (A), guanine (G), cytosine (C) and thymine(T). After a while, in a spark of ingenuity, he discovered their complementary pairing. He realized that A joined with T had a close resemblance to C joined with G, and that each pair could hold together with hydrogen bonds. Such pairs could also neatly fit like rungs meeting at right-angles between two anti-parallel helical sugar-phosphate backbones of DNA wound around a common axis. Such structure was consistent with the known X-ray diffraction pattern evidence. Each separated helix with its half of the pairs could form a template for reproducing the molecule. The secret of life!
BALTIMORE & OHIO RAILROAD
February 28, 1827 - Baltimore & Ohio USA
February 28, 1827 - Baltimore & Ohio USA
The Baltimore & Ohio Railroad became the first U.S. railway chartered for the commercial transportation of freight and passengers. Investors hoped that a railroad would allow Baltimore, the second largest U.S. city at that time, to successfully compete with New York for western trade. New Yorkers were profiting from easy access to the Midwest via the Erie Canal.
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RANDOM QUOTES
-
Until a man duplicates a blade of grass
by Earth Day, Thomas Alva Edison Inventor
"...Until a man duplicates a blade of grass, Nature can laugh at his so-called scientific knowledge. Remedies from chemicals will never stand in favorable comparison with the products of Nature, the living cell of a plant, the final result of the rays of the sun, the mother of all life...."
by Meredith Grey
"...Change; we don't like it, we fear it, but we can't stop it from coming. We either adapt to change, or we get left behind. It hurts to grow, anybody who tells you it doesn't is lying. But here's the truth: Sometimes the more things change, the more they stay the same. And sometimes, oh, sometimes change is good. Sometimes change is everything...."
RANDOM FACTS
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Drug Abuse
about Facts about Drugs
Facts about drugs can protect against drug abuse. Legal drugs, such as alcohol and tobacco, kill more people than illegal drugs. Tobacco (smoking cigarettes) kills more people than any other drug. Illegal drugs including heroin, cannabis, ecstasy and amphetamines can have unknown or dangerous ingredients. Mixing drugs, especially with alcohol, can be fatal.
about Steve Jobs
Steve Jobs' annual salary was $1, just enough to keep company health benefits.
Submission Terms & Conditions :
Submission Guidelines for Links
- Your title must be your domain name or the name of your business, If it is not it will be edited to reflect the name of your site or business.
- Your description must reflect the contents of your site, A unique description is preferred but not mandatory.
- No keyword stuffing for title or description.
- Submit your web site to the most relevant category.
- Top Level Domains only.
- All sites must be in English. If the site is not in English we have a regional category for you to list your site in make sure you choose the right category in regional.
- No adult sites or adult related content. No illegal sites containing copyright destruction, violence, fraud, child pornography, racism, vulgarity or warez or related sites.
- Do not submit deep links unless payment is made may result in IP being banned and listed as spam.
- Sites developed just for earning revenue from AdSense advertisements will not be included if your site has more than two AdSense on any given page it will not be excepted.
- Sites with poor design and a lot of advertisements in it, will not be accepted.
- Your site cannot be "Under Construction".
Why was my link submission not excepted
- Your submission was not your top level domain.
- Your title was not your domain name.
- Your description did not reflect the contents of your site.
- Your title and or description was keyword stuffed.
- Your submission contained adult related content.Copyright destruction, violence, fraud, child pornography, racism, vulgarity, warez.
- You submitted deep links without payment, (could result in permanent IP ban and listed as spam).
- Your site contained viruses or scripts that could potentially harm someone else's computer.
- Your site contained pop-ups.
Submission Guidelines for Articles
- Your title must reflect the contents of you article.
- The contents of your article must be unique and written by you no articles will be excepted if you are not the original author.
- No keyword stuffing for title or in the article.
- Submit your article to the most relevant category.
- No adult related content. No illegal content containing copyright destruction, violence, fraud, child pornography, racism, vulgarity or warez.
Why was my article submission not excepted
- Your title did not reflect the contents of your article.
- Your article body contained but not limited to, adult related content, Copyright destruction, violence, fraud, child pornography, racism, vulgarity, warez or any content offensive to all users.
- Your title or article body was keyword stuffed.
ATTENTION!!!
- We reserve the right to deny any listing for any reason.
- IF your site is rejected for violation of the guidelines there will be no refund. Please read all guidelines.
- IF your site is rejected for any other reason there will be a full refund made within 72 hours.
- Violation of these terms can result in a permanent IP ban.
- We reserve the right to post, modify or delete any information submitted.
Featured Link Listings (random) :
A random section of our Featured link listings :
Each quarter, twenty general or topical web directories are evaluated and rated according to predetermined criteria. The top ten are placed in competition with one another and ten additional direct...
http://www.webdirectoryreviews.org
Associated transformers is a leading Transformer Manufacturing Company in Tamilnadu, India. Lead the industry in manufacturing of various types of transformers like Distribution, Furnace/ Rectifier...
http://www.associatedtransformers.com
The professional and efficient chauffeurs of limo hire in London can help you reach your destinations comfortably on time.
http://www.limohire-sportcarhire.co.uk
Carvers for Conservation was started to introduce the people conserving the habitat of migratory birds to the premier bird sculptors in the world. My intention was to be mutually beneficial to the ...
http://www.greatcarvers.com
Video Listings :
A selction of listings chosen randomly that contain embedded videos.
Featured Article Listings (random) :
A random section of our Featured Article listings :
The course of the River Thames as we know it today was created about 10,000 years ago, by melt water from the ice-sheets that covered much of the United Kingdom during the last ice-age...
Search engine is the term with which we are accustomed with very much. But the web directory is not that same. The web directories are older than search engines according to the time of their invention.
Whether you're an experienced affiliate marketer or a novice simply looking to make some extra cash from your web traffic, The Vapor industry has grown to over 3.5 Billion in revenue in 2015, and continues to grow exponentially annually. It's not a one-time purchase industry, either- customers keep coming back. You don't want to miss out on this opportunity to join the gold rush of our generation. Our program is not only easy and free to join; we will give you $25 to sign up as a bonus.
Title for tab4 content :
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