HS-LS2-1
Use mathematical and/or computational representations to support explanations of factors that affect carrying capacity of ecosystems at different scales.
- Ecosystems
America’s duck lands: These ‘potholes’ are under threat
North America’s prairies are in trouble. Scientists race against the clock for clues about how to save the plants — and animals — that call it home.
- Science & Society
Shrimp on treadmills? Some science only sounds silly
Research that may seem silly, at first glance, often has a rewarding aim. Here are some examples.
- Animals
Under blanket of ice, lakes teem with life
Life under frozen lakes is vibrant, complex and surprisingly active, new research finds. In fact, some plants and animals can only live under the ice. But with climate change, will that continue?
- Genetics
New date for U.S. arrival of the AIDS virus
A new study shows that HIV started circulating at least a decade earlier than previously realized.
- Earth
Beaches can be a germy playground
Infectious microbes can flourish on sandy beaches. Scientists are now exploring how to find and monitor these hotspots for pollution that can make vacationers sick.
- Animals
Creative ways to help coral reefs recover
Coral reefs are under siege from threats ranging from climate change to explosives. But scientists are developing ways to rebuild reefs before they disappear.
- Earth
Water sensor quickly detects algal poison
A new sensor can detect poisons from harmful algae within minutes so that drinking-water plants can start timely treatments.
- Animals
Tasmanian devils begin to resist infectious cancer
A deadly contagious cancer is spreading among Tasmanian devils. But the animals are evolving resistance, a new study finds.
- Animals
Giant slugs snack on baby birds
When they accidentally run into bird nests sitting on the ground, some slugs help themselves to a free, easy meal of bird chicks.
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A Day in the Life: Arctic ecologist
Ever wonder what a scientist in the Arctic does all day? Mary Kate Swenarton scrubs rocks, catches fish and measures stream flow, depth, temperature and more.
- Earth
Seafloor hosts surprising number of deep-sea vents
A new sensor detects changes in seawater chemistry and finds far more ecosystem-supporting seafloor vents than scientists had believed were out there.
- Animals
Profile: A human touch for animals
Temple Grandin uses her own autism to understand how animals think. The animal scientist is famous for fostering the humane treatment of livestock.
