Among the hominin fossils found at the Mata Menge site on the Indonesian island of Flores was part of a lower jaw. Kinez Riza/Nature hide caption

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Fossils Suggest That Island Life Shrank Our 'Hobbit' Relatives

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Female Drosophila bifurca flies have an organ to store sperm (right) that male flies compete to fill, crowding out rivals. Scott Pitnick/Nature hide caption

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For Female Fruit Flies, Mr. Right Has The Biggest Sperm

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The harmless mite Demodex folliculorum, seen here in an electron microscope image, lives in the follicles of eyelashes. Andrew Syred/Science Source hide caption

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Can you guess which eyes belong to what animal? Top row, from left: cuttlefish, lion, goat. Bottom row, from left: domestic cat, horse, gecko. Top row: iStockphoto; bottom row: Flickr hide caption

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Eye Shapes Of The Animal World Hint At Differences In Our Lifestyles

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