There's also a clear link between cat ownership and a lowered risk of strokes or heart problems, as a cat's purr lowers blood pressure.
View moreEvery minute, there are 400 tweets going out that include a link to a YouTube video.
View moreJR Central is said to be developing a Maglev track to link Tokyo and Nagoya in 40 minutes by 2027, a distance of over 300km.
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