HS-LS2-8
Evaluate the evidence for the role of group behavior on individual and species' chances to survive and reproduce.
- Animals
Sleepy mosquitoes prefer dozing over dining
Mosquitoes repeatedly shaken to prevent slumber lagged behind well-rested ones when offered a leg to feed on.
- Animals
Some Greenland polar bears are surviving with very little sea ice
The ‘glacial mélange’ on which they’ve come to rely — a mix of ice, snow and slush — could be a temporary refuge for some polar bears.
- Animals
Palm-size marsupials may face extinction from wild ‘house’ cats
After surviving Australian bushfires, the Kangaroo Island dunnart is losing ground as it's targeted by hungry predators.
- Animals
Watch how a western banded gecko takes down a scorpion
New high-speed video reveals how normally mild-mannered geckos can violently shake venomous prey into submission.
- Agriculture
Here’s why cricket farmers may want to go green — literally
Crickets are great sources of protein, but they often kill each other in captivity. Green light could help solve the problem, two teens find.
- Animals
Scientists Say: Migration
Migration involves the movement of animals or people from one place to another.
- Animals
Analyze This: Birds may decorate nests to scare off rivals
Birds that nest in holes face stiff competition for nest sites. Some use feathers, also found where predators have made a kill, to keep rivals away.
- 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.
- 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
- 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.
- Brain
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.
- 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.
