HS-LS2-8
Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.
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Animals
Orcas can take down the largest animal on the planet
For the first time, scientists observed that orcas can kill blue whales by using the same hunting techniques that have worked on other large whales.
By Anna Gibbs -
Animals
See the world through a jumping spider’s eyes — and other senses
Scientists are teasing out the many ways the spiders’ vision, listening and taste senses differ from ours
By Betsy Mason -
Animals
Goldfish driving ‘cars’ offer new insight into navigation
Fishes’ internal sense of direction is not limited to their natural environment. The latest Wild Things cartoon from Science News for Students.
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Psychology
Addiction can develop when reward-seeking changes a teen’s brain
Over time, the pleasure disappears and craving grows. That craving causes stress that can drive people to use drugs or pursue unhealthy behaviors again and again.
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Animals
World’s biggest colony of nesting fish lives beneath Antarctic ice
Totally unexpected, it’s far, far larger than any other known community of nesting fish — fully one-third larger than the area of Washington, D.C.
By Jake Buehler -
Animals
A panda stands out at the zoo but blends in the wild
A panda may stand out among bamboo at the zoo, but in the wild, its black-and-white coloring camouflages it from predators. Learn more with this web comic.
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Ecosystems
Secret forest fungi partner with plants — and help the climate
Forest fungi are far more than mere mushrooms. They explore. They move nutrients and messages between plants. They can even help fight climate change.
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Animals
Meat-eating bees have something in common with vultures
Flesh-eating bees have acid-producing gut bacteria, much as vultures do. It lets them safely snack on rotting meat.
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Climate
Here’s how some sea-loving trees ended up far from the coast
This “relict ecosystem” that’s more than thousands of years old moved inland due to warming and a rise in sea levels.
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Plants
Scientists Say: Phloem
Phloem is tissue that delivers food, made in leaves during photosynthesis, to the rest of a plant.
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Animals
Bloodthirsty vampire bats prefer drinking with friends
Vampire bats were known to bond with others in their roost. Now, research suggests bonded bats often drink blood from animals together.