MS-LS4-5
Gather and synthesize information about the technologies that have changed the way humans influence the inheritance of desired traits in organisms.
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Genetics
Explainer: Why scientists sometimes ‘knock out’ genes
How do we learn what a particular molecule does in the body? To find out, scientists often 'knock out' the gene that makes it. Here’s how.
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Genetics
World’s tallest corn towers nearly 14 meters
Short nights and a genetic tweak helped novel corn reach record heights.
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Animals
The turning of wolves into dogs may have occurred twice
The process of turning wolves into dogs, called domestication, may have occurred twice — in the East and the West — ancient DNA suggest.
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Animals
Wolves beat dogs at problem-solving test
When treats are at stake, wolves outperformed dogs at opening a closed container. The dog’s relationship with humans may explain why.
By Susan Milius -
Animals
What’s the buzz? A new mosquito lure
Broadcasting a fake buzz can lure male Aedes aegypti mosquitoes away from females. That could reduce populations of these annoying — and disease-causing — insects, reports a teen at the 2015 Intel ISEF competition.
By Sid Perkins -
Agriculture
Livestock: A need to save rare breeds
New studies and ongoing work highlight why society should save rare livestock breeds — and the part that technology can play.
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Life
Caught in the act
Scientists observe some evolutionary speed demons as they adapt over the course of just a few years to new environmental conditions.
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Animals
Churk: Not for Thanksgiving
Here’s what happens when livestock breeders cross a chicken and a turkey
By Janet Raloff