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Carl Sagan: Cosmos, Pale Blue Dot & Famous Quotes

Called "America's most effective salesman of science" by Time magazine, astronomer Carl Sagan spent much of his career translating technical scientific explanations to make them easily digestible by the general public. Described as a natural teacher, he educated not only through classroom lectures but also through interviews and on television shows. His 13-part TV series, Cosmos, has been seen by over 600 million people in more than 60 countries. The show was so popular it returned to television in 2005.

Life on the Pale Blue Dot

Carl Edward Sagan was born Nov. 9, 1934 in Brooklyn, New York. He attended college at the University of Chicago, where he attained a Ph.D. in astronomy and astrophysics. After doing his postdoctoral work, he taught at Harvard. When he wasn't granted tenure, he moved on to Cornell University in New York, serving as the director for the Laboratory for Planetary Studies and the Associate Director of the Center for Radio Physics and Space Research.

He was married three times, and had a total of five children.

Diagnosed with the rare bone marrow disease myelodysplasia, Sagan underwent three bone marrow transplants over the course of his life. Complications from the disease resulted in his contracting pneumonia, which led to his death on Dec. 20, 1996. He was 62 years old.

Making science interesting

Although Sagan was most widely known for his scientific communication with the general public, he made many significant contributions to the field of science directly.

While Sagan attended graduate school, the planet Venus was often considered to be similar to Earth. As part of his thesis, Sagan computed the first greenhouse model for Venus' atmosphere, which revealed a higher temperature than previously suspected. He suggested that the seasonal changes observed on Mars was caused by dust storms on the planet, and wrote a series of papers on the organic chemistry of Jupiter's atmosphere.

Serving as an advisor to NASA, Sagan helped to design and manage the Mariner 2 mission to Venus, the Mariner 9 and Viking trips to Mars, the Voyager system to the outer solar system, and the Galileo mission to Jupiter. He also helped to brief astronauts prior to their trips to the moon.

But Sagan was far more visible as a scientific educator than he was as a researcher. He was gifted at breaking down scientific concepts into explanations that the public could readily understand, without seeming to talk down to them. He authored hundreds of popular articles and more than two dozen books, frequently appeared in Time magazine landing the cover on at least one occasion. And was a guest on The Tonight Show with Johnny Carson 26 times, calling it "the biggest classroom in history." His 13-hour miniseries, Cosmos, was loved by countless children and adults, and his nonfiction and fiction books were widely read.

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Carl Sagan: Cosmos, Pale Blue Dot & Famous Quotes

Jefferies Hires Two Senior Analysts to Cover Internet and Interactive Entertainment

NEW YORK--(BUSINESS WIRE)--

Jefferies today announced the hiring of Brian J. Pitz and Brian P. Fitzgerald as Managing Directors and Senior Equity Research Analysts covering Internet and Interactive Entertainment companies. Both will be based in Jefferies New York office.

Steven R. Black, Global Head of Equity Research at Jefferies, commented, We are pleased to welcome these senior analysts to Jefferies as they are valuable additions to our global TMT equity research practice, which is a focus area for our firm and an important and critical segment of the global economy. Their significant experience and client relationships will further extend our leading TMT research franchise and add immediate value to our global equity offering to our institutional client base.

Mr. Pitz brings to Jefferies over 14 years of Equity Research experience and joins the firm from UBS, where he was an Executive Director and Senior Equity Research Analyst covering the Internet and Interactive Entertainment industry on an Institutional Investor-ranked team. Previously, he was a Principal and Senior Equity Research Analyst at Bank of America covering the Internet industry. Prior to that, he was a Vice President at Morgan Stanley covering the Internet, PC Software and Interactive Entertainment industries as a member of the top-ranked Internet equity research team in both the annual Institutional Investor poll and Greenwich Associates Survey, and previously was part of the #1-ranked Broadcasting research team in Institutional Investor poll from 1998 - 2001. He received a BS from Villanova University.

Mr. Fitzgerald brings 15 years of Research experience to Jefferies, and joins the firm from UBS, where he was a Director and Senior Equity Research Analyst covering the Internet and Interactive Entertainment industry on an Institutional Investor-ranked team. Previously, he was a Principal and Senior Equity Research Analyst at Bank of America covering the Internet industry. Prior to that, he was a Vice President at Morgan Stanley covering the Internet, PC Software and Interactive Entertainment industries as a member of the top-ranked Internet equity research team in the annual Institutional Investor poll and Greenwich Associates Survey. He received an MBA from New York University and a BS from the United States Military Academy.

About Jefferies

Jefferies Group, Inc. (JEF), the global investment banking firm focused on serving clients for 50 years, is a leader in providing insight, expertise and execution to investors, companies and governments. The firm provides a full range of investment banking, sales, trading, research and strategy across the spectrum of equities, fixed income, foreign exchange, futures and commodities, and also select asset and wealth management strategies, in the Americas, Europe and Asia.

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Jefferies Hires Two Senior Analysts to Cover Internet and Interactive Entertainment

Xerocole CTO Exposes Biggest Challenges Facing Internet Service Providers on World IPv6 Launch Day

BOULDER, Colo.--(BUSINESS WIRE)--

Xerocole, the intelligent broadband DNS company, today announced that its CTO, noted Internet expert and National Public Radio technology commentator Rob Fleischman, has published his list of the biggest domain name system (DNS) challenges that face broadband providers when they flip the switch on World IPv6 Launch Day. IPv6 is the new internet protocol that replaces IPv4, and provides a virtually unlimited number of IP addresses. It will enable every Internet-connected device in the world computer, phone, tablet, car, refrigerator, etc. to have a unique IP address, but this flexibility will impose new challenges on internet service providers (ISPs).

A short video of Rob Fleischman explaining the potential DNS pitfalls associated with IPv6 deployments is available here.

Click to Tweet: #Xerocole video exposes #DNS pitfalls for #WorldIPv6LaunchDay http://bit.ly/Lgg0CT

Most of the equipment and software used by internet service providers has been IPv6 compliant for a while, said Rob Fleischman, CTO of Xerocole.

They have tested to see whether their domain name system (DNS) servers can make IPv6 queries, known as AAAA queries, and they seem to work. We decided to scratch the surface to find what, if anything, ISPs should be worried about once the switch to IPv6 happens on a global scale, he added.

As it turns out, there are a few issues that could cause broadband internet providers some problems, which are worth sharing, he concluded.

Top DNS Challenges for ISPs in an IPv6 World

Some versions of desktop operating systems will make AAAA record queries regardless of whether they have an IPv6 connection or not. This can result in timeouts as those desktops try to initiate IPv6 connections (which they can't) to hosts that publish AAAA records to the world. Eventually, those attempts will timeout and the host will retry using IPv4. This has the potential to light up ISP call centers with customer service complaints.

Since Antispam DNSBL usage involves checking SMTP inbound IPs against a remote DNS zone, the use of IPv6 explodes the number of potential address checks. A single IPv6 allocation can arm a spammer with enough unique addresses to try against an operators mail server for thousands of years. The result? If a mail server makes all those DNSBL lookups against a carriers DNS, it can easily result in "cache-busting"/DOS-style behavior.

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Xerocole CTO Exposes Biggest Challenges Facing Internet Service Providers on World IPv6 Launch Day

Kinect-enhanced Internet Explorer coming to Xbox

Microsoft has integrated Kinect into Internet Explorer, which will be available this fall on the Xbox 360.

The Xbox 360 will soon have Internet Explorer.

Microsoft has brought its Internet Explorer browser to another location.

According to the software company at its E3 keynote speech today, Internet Explorer will deliver "for the first time, a fast, fluid, Web experience in the living room." With help from Kinect, users will be able to have full voice control over the browser on the Xbox 360.

To add a bit more flavor (and control) to the browser, Microsoft has also integrated its Smart Glass platform into Internet Explorer, allowing users to scroll around the page, click links, and pinch and zoom from their smartphone or tablet.

Microsoft also announced that Smart Glass would be added to Windows 8, as well, but didn't provide additional details.

According to Microsoft, Internet Explorer will be made available this fall on the Xbox 360.

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Kinect-enhanced Internet Explorer coming to Xbox

Internet Solution Source Provides Options to Boost Morale of Stay-at-Home Moms

PHOENIX, AZ--(Marketwire -06/04/12)- A recent MSNBC report analyzes the effects of one Gallup poll that was released a few weeks ago. After surveying 60,000 women, the poll found that unemployed stay-at-home moms were generally more depressed and angrier than employed women. In addition, these stay-at-home mothers claimed they smiled less, learned less interesting things and were struggling with their daily responsibilities. While these figures may prove discouraging to mothers, the MSNBC article encourages at-home women to achieve a sense of accomplishment that is commonly associated with positive emotions. Internet Solution Source is one company that understands the restrictions that may keep a mother from pursuing a job away from home, and offers an alternative for these parents to experience feelings of independence.

In the report, Robi Ludwig, psychotherapist, says many of these feelings stem from isolation. "It's hard to feel accomplished. It's hard to define themselves because they're overloaded with the have-to-dos of the home. It's a job that's never complete," Ludwig adds. The psychotherapist and Today.com contributor says that even if a woman cannot take on a full-time job, any kind of work that is not associated with the home can curb negative emotions. "There have been studies that suggest the happiest women are women who have kids and can work part time and have a bit more flexibility over their schedule."

Internet Solution Source joins this conversation by offering a way for women to take on a new professional life, without compromising their responsibilities. The company gives stay-at-home parents, retirees and college students a way to supplement their income through online affiliate marketing. With a small membership fee, members are invited to set up online stores that sell products from several manufacturers. As a result, users obtain a portion of the profit.

According to Internet Solution Source, what may be the greatest part of the program is that it is easy-to-use and easy-to-understand. For the stay-at-home mother that is facing schedule constraints, this can prove a viable option. After simple tutorials that are provided by the company, these women could have their own affiliate stores set up in a relatively short amount of time.

The program does not dictate hours, and users can choose to operate their websites anywhere from an hour a day to full time. Internet Solution Source believes this option is a great choice for mothers who do not have the time or resources to search for a part-time job outside of the home. The company says that the program offers a chance for negatively affected stay-at-home moms to take a quick break, run their own business, and easily return to their parental responsibilities without stress.

ABOUT:

Internet Solution Source is a company that makes the affiliate marketing industry accessible to people who are inexperienced in marketing or online commerce. The company provides an opportunity for users to set up a customized online affiliate store through a series of easy-to-follow instructions that are included with membership.

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Internet Solution Source Provides Options to Boost Morale of Stay-at-Home Moms