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The STS-129 crew members posed for a portrait following a joint news conference on Nov. 24, 2009, with the Expedition 21 crew members (out of frame) on the International Space Station. Pictured (clockwise) from bottom left are astronauts Charles O. Hobaugh, commander; Mike Foreman, Leland Melvin, Robert L. Satcher Jr. and Randy Bresnik, all mission specialists; along with Barry E. Wilmore, pilot; and Nicole Stott, mission specialist.

Funded by the US Advanced Research Projects Agency (ARPA), ARPANET was the first digital network that utilized packet switching, a method of data transmission. A revolutionary technology, it ultimately led to the creation of the modern Internet. The network's first permanent connection was made between computers at the University of California, Los Angeles, and the Stanford Research Institute. By 1983, more than 300 computers were connected. What was the first message sent through ARPANET? Discuss

Definition: (adjective) Difficult to understand.
Synonyms: deep, recondite.
Usage: The professor's lectures were so abstruse that students tended to avoid them.
Discuss

We must have ideals and try to live up to them, even if we never quite succeed. Life would be a sorry business without them. With them it's grand and great. Discuss

Green was an American financier and reputedly the wealthiest American woman of her time. In 1865, her father and aunt both died, leaving her an estate valued at $10 million. She invested her inheritance so shrewdly that she came to be regarded as the greatest woman financier in the world, amassing an estate valued at $100-200 million. An extremely miserly woman, the "Witch of Wall Street" allegedly refused a hernia operation because it cost $150. What are some other examples of her stinginess? Discuss