A growing body of evidence suggests we aren't the only species with feelings. HENRY NICHOLLS asks whether animals also experience emotions such as love, grief, fear and envy.High in the inhospitable, snow-clad mountains of Sichuan Province in China, two giant pandas sit on their ample bottoms and toboggan down a slope. They could be trying to get from one stand of bamboo to another with as little effort as possible. Then again, they might simply be indulging themselves with some adrenalin-fuelled fun.
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