Natural history

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  Año 2008, Vol. 117, Número 6 (JUL-AGO)

  • Wallflowers.

    Erin Espelie, Reinhard Dirscherl (fot.)

    págs. 2-4

    

  • Battered Expectations: Do baseballs obey the conventional laws of physics?.

    Adam Summers, Tom Moore (il.)

    págs. 16-17

    

  • How dogs came to run the world: During the past 40 million years, three great lineages arose in the dog family. Two are now extinct, but diversity thrives in the array of living species.

    Xiaoming Wang, Richard H. Tedford, Mauricio Antón (il.)

    págs. 18-23

    

  • Birds of a different feather: By mimicking a variety of animal calls, Sri Lankan drongos influence the behavior of mixed-species flocks.

    Eben Goodale, Amila Salgado, Sarath W. Kotagama

    págs. 24-28

    

  • Water sprites: Diverse wetlands rub shoulders in Michigan.

    Robert H. Mohlenbrock

    págs. 30-31

    

  • Fine grain.

    Gary Greenberg

    pág. 48