Search Results for: Crows
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Science & Society
To fight discrimination, the U.S. census needs a different race question
Asking about race on the U.S. census can help identify discrimination against minority groups. But sociologists say the question needs a makeover.
By Sujata Gupta -
Planetary Science
Readers ponder Opportunity’s future, animal consciousness and more
Readers had questions about NASA’s Opportunity rover, pollen shapes and more.
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Health & Medicine
Step away from the cookie dough. E. coli outbreaks traced to raw flour
Flour, though low in moisture, can sicken people with E. coli toxins if it is eaten raw.
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Astronomy
Why it’s good news that Pluto doesn’t have rings
The New Horizons team searched for rings around Pluto, and found nothing. That suggests the spacecraft’s next destination might be ring-free too.
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Ecosystems
Beavers are engineering a new Alaskan tundra
Climate change has enabled the recent expansion of beavers into northwestern Alaska, a trend that could have major ecological consequences for the region in the coming decades.
By Sid Perkins -
Animals
Hawaiian crows ace tool-user test
The almost-extinct Hawaiian crow joins the small, select flock of birds shown to use sticks tools routinely and well to wiggle bits of food out of crevices.
By Susan Milius -
Animals
Betty the crow may not have invented her hook-bending tool trick
Textbook example of Betty the crow’s proposed insight into toolmaking is now called into question by observations of similar hook bending by wild New Caledonian birds.
By Susan Milius -
Animals
Flying insects tell tales of long-distance migrations
Researchers are asking big questions about animal movements and pest control by tracking tiny insects in flight.
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Animals
Animals give clues to the origins of human number crunching
Guppies, dogs, chickens, crows, spiders — lots of animals have number sense without knowing numbers.
By Susan Milius -
Math
Hidden Figures highlights three black women who were vital to the U.S. space program
"Hidden Figures" tells the untold story of the "human computers" who were essential to the launch of the U.S. space program.
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Health & Medicine
When it comes to antimicrobial resistance, watch out for wildlife
Focusing on antimicrobial resistance in hospitals and farms misses a big and not well understood part of the issue: wildlife.
By Susan Milius -
Animals
Social pecking order gives roosters something to crow about
Small groups of laboratory roosters keep to the rankings for orderly morning crows.
By Susan Milius