Photos: Catherine, Duchess of Cambridge's style

Catherine, Duchess of Cambridge has been in the media spotlight ever since she graduated from university. Take a look at how her fashion sense and camera awareness have evolved over that period.

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World's 'most expensive' tea grown in Chinese panda poo

Chinese entrepreneur An Yanshi is convinced he has found the key ingredient to produce the world's most expensive tea -- panda poo.

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• Reading the tea leaves is easy: A brew can be beneficial
• Do tea, coffee drinkers have lower risk of MRSA superbug?
• Green tea lowers cholesterol risk, but only a little
• Iced tea as it should be

Social cues could hone language development in kids: Study

New light has been shed on the way children learn to speak -- contradicting what researchers previously believed -- that could lead to advances in how speech-related disabilities are treated.

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• Late talkers do fine as they grow up: Study
• Mum's the word: Montreal team finds newborns respond uniquely to mother's voice
• Smartest toys for kids can be the simplest
• Easy as 1, 2, 3? Math really is more complicated than reading

Couples benefit from friendships with other couples

Co-authors Geoffrey Greif and Kathy Deal explore longtime friendship in their new book Two Plus Two: Couples and Their Couple Friendships.

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• Among many older women, sex gets better as they age
• Claws come out when women see sexual rival
• Love, lies and the science of online dating
• Follow your instincts for love

Dogs and kids -- not all that different, study finds

According to a study by the Hungarian Academy of Sciences, when people talk to their dogs, the reaction of the pup is similar to that of a baby.

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• Nestle to help pets and owners lose weight online
• New life for 29 wolf dogs
• Rabbit owners find camaraderie at the hop
• Keep your pet warm this winter
• Puppy Pipeline gives unwanted and abandoned dogs a new lease on life