Natural history

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  Año 2007, Vol. 116, Número 6 (JUL-AGO)

  • Laid-back in the Outback.

    Erin Espelie, Mitsuaki Iwago (fot.)

    págs. 2-4

    

  • Long Ago and Far Away.

    Peter Brown

    pág. 6

    

  • A Human Cell in Sheep's Clothing: Biologists in Nevada are gambling that sheep can grow spare body parts for people.

    Olivia Judson

    págs. 18-42

    

  • Cold Squirts: Antarctic scallops have lighter shells, less muscle mass, and more resilient hinge rubber than their tropical cousins.

    Adam Summers, Emily Damstra (fot.)

    págs. 20-21

    

  • Space, Time, and Timbuktu: The legendary city on the Sahara's southern fringe can look back on a history of commercial, intellectual, and religious wealth. Today as in the past, however, political power eludes it.

    Marq De Villiers, Sheila Hirtle

    págs. 22-26

    

  • How Now, Little Cow?: The vaquita, the world's smallest porpoise, lives only in the northern Gulf of California. It often drowns in fishing nets as bycatch, and just 200 individuals reman. Can the species survive?.

    Robert L. Pitman, Lorenzo Rojas-Bracho

    págs. 28-32

    

  • The sky in July and August.

    Joe Rao

    pág. 38