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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.

Story by Xiaoming Wang and Richard H. Tedford
(See Weblinks for this article.)
BIRDS OF A DIFFERENT FEATHER

By mimicking a variety of animal calls, Sri Lankan drongos influence the behavior of mixed-species flocks.

Story by Eben Goodale, Amila Salgado,
and Sarath W. Kotagama
(See Weblinks for this article.)
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An adult Hesperocyon gregarious, a canid species possibly ancestral to all three major canid subfamilies
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THE NATURAL MOMENT: Wallflowers
Photograph by Reinhard Dirscherl
nature.net: Paleobotany
Robert Anderson
WORD EXCHANGE
SAMPLINGS: News from Nature
BIOMECHANICS: Battered Expectations
Do baseballs obey the conventional laws of physics?
Adam Summers
THIS LAND: Water Sprites
Diverse wetlands rub shoulders in Michigan.
Robert H. Mohlenbrock
BOOKSHELF: Beach Reading
Laurence A. Marshall
SKYLOG
Joe Rao
AT THE MUSEUM
ENDPAPER: Fine Grain
Gary Greenberg
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Samplings: The mountain pine beetle's numbers are increading due to global warming. |
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Skylog: Total solar eclipse, Aug. 1: The moon's umbra, or full shadow, will sweep from Canada into China. |
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