One in three people snore in their sleep. What causes these sounds, which can reach decibel levels matching those of city streets? And how does a doctor recognize whether snoring is making someone ill?
With their gangly legs, beady eyes and misshapen beaks, flamingos can come across as comical and wimpy but they're actually incredibly spunky.
The orange harvest draws migrant workers to southern Italy in the wintertime. Once there, the squalid living and working conditions make most of them sick, reports Sara Manisera from Rosarno.
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