Health & Medicine
Like bloodhounds, worms are sniffing out human cancers
Scents emitted by diseased cells may usher in a new era of safe, low-cost screening tests for cancer and other illnesses.
MS-LS2-2
Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.
More Stories in MS-LS2-2
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AnimalsScientists Say: Migration
Migration involves the movement of animals or people from one place to another.
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MicrobesKitchen sponges are bacteria’s dream home
Sponges are favorite spots for bacteria, partly because of the mixed-housing environment that the cleaner-uppers offer microbes.
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AnimalsMosquitoes see red, which may be why they find us so appealing
Mosquitoes not only see colors, but also prefer certain ones, such as the hues of human skin.
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AnimalsAnalyze 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.
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AnimalsOrcas 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.
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EnvironmentBees and butterflies struggle to find flowers in polluted air
Emissions from cars and trucks make it harder for insects to find flowers. That in turn reduces flower visits and pollination, a new study finds.
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EcosystemsScientists Say: Decay
This word can refer to rotting flesh or the transformation of radioactive atoms.
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AnimalsWorld’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.
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EnvironmentRecycling a climate-warming gas could make ‘greener’ farmed fish
Instead of warming the climate, methane gas can be collected to help farmers. Along the way, it may also save some fish.