Animals
A dog’s breed doesn’t say much about its behavior
Many people associate dog breeds with specific behavioral traits. But breed appears to account for only about 9 percent of behavioral differences.
By Anna Gibbs
HS-LS4-4
Construct an explanation based on evidence for how natural selection leads to adaptation of populations.
More Stories in HS-LS4-4
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AnimalsSurprise! Sixteen tiny wasp species found masquerading as one
Scientists used new and old tools to overturn 160-year-old ideas about this wasp. They show you can’t tell a wasp by its looks.
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FossilsDinos may have had the sniffles 150 million years ago
A respiratory infection that spread to air sacs in the vertebrae of a sauropod dinosaur likely led to the dino's now-fossilized bone lesions.
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AnimalsNewfound ‘bambootula’ spider lives inside bamboo stems
A YouTuber discovered a new tarantula genus living in bamboo near his home in Thailand. It’s the only tarantula known to choose such a habitat.
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ArchaeologyOur species may have reached Europe while Neandertals were there
Archaeological finds from an ancient French rock-shelter show periodic settlements by both populations, just not at the same time.
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AnimalsMysterious kunga is the oldest known human-bred hybrid animal
People bred these animals — part donkey, part wild ass — some 4,500 years ago, probably for use in fighting wars.
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AnimalsScientists discover the first true millipede
The newfound deep-living species tunnels belowground using a whopping 1,306 legs!
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LifeScientists Say: Adaptation
This word refers to a feature of a living thing that helps it better survive in its environment — or the process of that feature evolving in a population.
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AnimalsWill the woolly mammoth return?
Scientists are using genetic engineering and cloning to try to bring back extinct species or save endangered ones. Here’s how and why.
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AnimalsCloning boosts endangered black-footed ferrets
A cloned ferret named Elizabeth Ann brings genetic diversity to a species that nearly went extinct in the 1980s.