Search Results for: Crows
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537 results for: Crows
- Humans
This snowbird is really going SOUTH
Many people of a certain age (like my folks) enjoy flying south to warmer climes when winter weather threatens. I’m also flying south this December — but not to warm up. As a guest of the National Science Foundation, I’ll be checking out summer in the really deep South: Antarctica. Temps expected at certain sites I’m scheduled to visit, such as the South Pole, threaten to surpass the worst that my hometown will encounter in the dead of winter.
By Janet Raloff - Animals
Collision Course
The tales of two ornithologists trying to prevent birds colliding with windows highlight the obstacles facing applied biology.
By Susan Milius -
When Birds Go to Town
Urban settings offer enterprising critters new opportunities — if they can cope with the challenges
By Susan Milius - Life
Archaeopteryx wore black
Microscopic structures in an iconic fossil feather suggest that it was the color of a crow.
By Susan Milius - Life
Microraptor’s true blue colors
The birdlike dinosaur had black, iridescent feathers that may have helped it attract mates.
By Devin Powell -
Letters
Defining the human species Having read “Humans benefited by interbreeding” (SN: 10/8/11, p. 13), I wonder if I have missed what, to me, seems a major change in the definition of “species.” I was taught that the attempted crossbreeding of animals of two different species could result in either no offspring or sterile offspring. If […]
By Science News - Life
Life
Birds' share of dinosaur extinction, the 'battle' between cattle and wildlife and more in this week's news.
By Science News -
- 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.
By Janet Raloff - Life
Learnin’ lizards
Underrated reptiles figure out what to do when the old rules change.
By Susan Milius - Life
Young elephant struck by idea
In a test of insight, a 7-year-old pachyderm finds a way to use toy cube to snag a fruity treat hung just out of reach.
By Susan Milius - Health & Medicine
Digging into the roots of lupus
Two new studies implicate common white blood cells called neutrophils in this autoimmune disease.
By Nathan Seppa