Science & Society
- Science & Society
90th Anniversary Issue: 1960s
The space race, technological optimism and other highlights, 1960–69
- Science & Society
90th Anniversary Issue: 1950s
DNA's structure revealed and other highlights, 1950–59
- Science & Society
90th Anniversary Issue: 1940s
The Atomic Age, elementary finds and other highlights, 1940–49
- Science & Society
90th Anniversary Issue: 1930s
Germ warfare, tracking Pluto's rise and fall and other highlights, 1930–39
- Science & Society
90th Anniversary Issue: 1920s
Rise of quantum theory and other highlights, 1920–29
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- Animals
Lost to history: The “churk”
More than a half-century ago, researchers at the Beltsville Agricultural Research Center outside Washington, D.C., engaged in some creative barnyard breeding. Their goal was the development of fatherless turkeys — virgin hens that would reproduce via parthenogenesis. Along the way, and ostensibly quite by accident, an interim stage of this work resulted in a rooster-fathered hybrid that the scientists termed a churk.
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