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In this "This Day in History" video, learn about the history of December 5th. It was the day of the California Gold Rush in 1848, the start of Prohibition in 1933, and the day Newt Gingrich became speaker of the house, the first Republican to do so in some 40 years.
Two teams of scientists made the discovery, detecting atmospheric water on the catchily titled WASP-17b, HD209458b, WASP-12b, WASP-19b and XO-1b.
London continues to turn to underground tunnels in efforts to fight overcrowding on its aboveground narrow streets and alleys.
"Dare mighty things" concludes the most dramatic space video in years, "Seven Minutes of Terror." Narrated by Adam Steltzner, it spelled out how the "sky crane" his team designed at JPL would have to perform an elaborate, impossible-seeming sequence to lower the huge Mars rover Curiosity to the planet's surface from a hovering rocket guided totally by artificial intelligence.
The NY World's Fairs of 1939/1964 defined the future for 75 years. We'll look back (with rare footage) and look forward to recognizing this anniversary as a celebration of maker cities, our maker future and a more sustainable world of tomorrow.
Sword or pistols? Or how about elephants or balloons? Find out more about these 10 incredibly daring duels.
Comet ISON may be dead, but the journey isn't over.
Nowadays the internet is nearly ubiquitous - but how did it all begin? Tune in for a closer look at the man who changed the world - and invented the world wide web - in this episode.
The parasitic Megalomyrmex ant prepares to kill an invader. She's taken over a farming host's colony to exploit its brood and its fungus garden, and won't stand for a competing parasite looking for its own slice of the action.
In this "This Day in History" video, learn about the history of December 4. It was the day George Washington gave his farewell speech in 1783, Led Zeppelin split up in 1980, and the day in 1992 President Bush sent 28,000 troops to Somalia. It was also the day hostage Terry Anderson was released after being held by Islamic militants for six years.
Koalas spend most of their time asleep but during mating season, the male wants potential partners to know he's very much awake.
In this "This Day in History" video, learn about the history of December 3. On December 3, in 1833, Oberlin College in Ohio became the first co-ed college and on this day in 1947 "A Streetcar Named Desire" opened on Broadway and introduced Marlon Brando to the world. In 2000, Tiger Woods won three majors in the same year.
The mystery of why Jupiter's Great Red Spot did not vanish centuries ago may now be solved, and the findings could help reveal more clues about the vortices in Earth's oceans and the nurseries of stars and planets, researchers say.
It can save lives, it can take lives and it's even on the moon. Here are 10 very curious facts about poop.
In this "This Day in History" video, learn about the history of December 2. December 2, was the day Napoleon Bonaparte was crowned Emperor of France in 1804, the day in 1982 of the first artificial heart surgery, and in 2001 the day of Enron's filing for bankruptcy.
When George de Mestral and his dog set out on a leisurely mountain stroll, they returned covered in burrs. Learn how an afternoon walk inspired the creation of Velcro.
A Guide to Street Photography: Matt Stuart and Manual Focusing
In this "This Day in History" video, learn about the history of December 1. December 1, was the day Rosa Parks became famous for standing up to racial oppression, the Kyoto Protocol was signed, and the Chunnel was created. Brought to you by host Russ Mitchell of the History Channel.
A guide to street photography: Antonio Olmos and manual exposure
This Day in History - November 30, 1886, The Folies Bergere, a Parisian music hall, re-opened with a totally new look and feel. It quickly became an icon of the city for its performances.