China's epic family reunion

    It's the world's largest annual movement of humans. Here's what happens when all of China goes on vacation at once.

    What is maladaptive dreaming?

    Jordan Mendys
    While daydreaming is something most of us do, CNN's Elizabeth Cohen explains maladaptive daydreaming can be dangerous.
    Researchers believe that the simple spinning mechanics of a whirligig toy could help diagnose blood diseases in the developing world.

    Toy inspires cheap medical device

    Researchers believe that the simple spinning mechanics of a whirligig toy could help diagnose blood diseases in the developing world.
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    Inside House of Tayo

    House of Tayo's Matthew Rugamba is a Kigali-based tailor turning traditional suits into cultural statements.
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    I'm addicted ... to working out

    Boutique fitness classes are no longer a trend. They're a multi-billion-dollar industry with millions of devotees around the world. CNNMoney's Vanessa Yurkevich talks to the people feeding your addiction.
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    Hotel hidden fees

    From valet parking to the mini bar, service fees in hotels can add up. CNN's Richard Quest examines how business travellers can avoid hidden hotel costs.

    How will humans travel to deep space?

    See where the most powerful rocket in the world is being built, and step inside the advanced spacecraft that could take humans farther than ever before.
     Antonov AN-225 3

    The biggest airplane in the world

    The Antonov AN-225 is the biggest airplane in the world. Mriya's wingspan measures 290 feet, that's longer than five semi-truck trailers set end-to-end.
    Way Up There space series Where will we live? Olympus space habitat

    Space hotels aren't sci-fi anymore

    Bigelow Aerospace is building space habitats for the public. Get an exclusive tour inside one of their prototypes, and see where we would live in space.
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    What does $22,000 taste like?

    CNN took a $2,1000-per-ounce sip of one of the world's rarest cognac casks -- a Remy Martin Louis XIII that was 100 years old when tapped