Natural history

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  Año 1999, Vol. 108, Número 2 (MAR)

  • From Guyana to Baku.

    Bruce Stutz

    págs. 6-6

    

  • Natural Altruism: Evolutionary biologists view animal behavior in terms of brutal genetic selfishness. How and when does this credo lead to cooperation instead of competition?.

    Steven N. Austad

    págs. 14-15

    

  • Sites of the Great Apes.

    Robert Anderson

    págs. 18-18

    

  • Pushed to the Edge: The fates of rainforest wildlife and marginal farmers are intertwined.

    Norman Myers

    págs. 20-22

    

  • Branching Through a Wormhole: Lamarck's Ladder Collapses.

    Stephen Jay Gould

    págs. 24-27

    

  • Owl v. Owl.

    Sharon Levy

    págs. 28-32

    

  • Forest on the Rocks.

    Jim Malusa, Gary Braasch (fot.)

    págs. 46-53

    

  • Big Oil comes back to Baku: International dealers have flocked back to post-Soviet Azerbaijan to cash in on its great store of Caspian Sea oil. The big question is when the Azeri people, including one million war refugees, will benefit.

    Mark Jacobson, Antonin Kratochvil (fot.)

    págs. 54-67

    

  • Bringing back baby.

    Meredith F. Small, Anup Shah (fot.), Manoj Shah (fot.)

    págs. 68-71

    

  • Bee Bop.

    Eric Hansen

    págs. 72-74

    

  • Dune Boggy.

    Robert H. Mohlenbrock

    págs. 76-78

    

  • Moon Math.

    Joe Rao

    págs. 78-78

    

  • Water Wings.

    Rachel Zoffness, Tui de Roy (fot.)

    págs. 82-83

    

  • Cosmic Horizons: The distance from here to the edge of the universe is 13 billion light-years-and growing by the minute.

    Neil De Grasse Tyson

    págs. 90-92

    

  • Palatial Digs.

    Charles S. Spencer

    págs. 94-95

    

  • Gaia's Lungs: Are rainforests inhaling Earth's excess carbon dioxide?.

    William F. Laurance

    págs. 96-96