MS-LS2-1
Analyze and interpret data to provide evidence for the effects of resource availability on organisms and populations of organisms in an ecosystem.
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AnimalsDrones help scientists weigh whales at sea
Drone imagery lets scientists estimate a whale’s weight. And that may help monitor the health of these big mammals for conservation purposes.
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AnimalsChemicals from the world’s longest animal can kill cockroaches
The stuff in this sea worm’s slime can kill off green crabs, too.
By Susan Milius -
AnimalsIn a colony, king penguins act like a liquid
Is this a living liquid? King penguins move around within their colonies, clearing out some space, and then refilling it. That behavior resembles a liquid, scientists conclude.
By Dan Garisto -
AgricultureExplainer: The fertilizing power of N and P
Two elements — nitrogen and phosphorus — help plants grow. When the soil doesn’t have them, farmers might add them in the form of fertilizer.
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PhysicsDisabilities don’t stop these experts in science and tech
People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.
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EcosystemsCamera catches new fish species — as it’s eaten!
A video of a lionfish eating a new-found species of fish raises concerns about the threat lionfish pose to undiscovered species in deep reefs.
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ChemistryWorld’s deepest zoo harbors clues to extraterrestrial life
Scientists have found a wide range of life deep below Earth’s surface. The discoveries could help inform our search for life on other planets.
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AnimalsUnderwater robot vacuums up lionfish
Lionfish damage coral reefs in the Atlantic Ocean. A new underwater robot hunts, stuns and captures the bullies with help from a human operator.
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EcosystemsCities drive animals and plants to evolve
Biologists are finding that some species have used genetic changes to evolve — adapt — to the pollution and other stressors that they encounter in cities.
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Science & SocietyShrimp on treadmills? Some science only sounds silly
Research that may seem silly, at first glance, often has a rewarding aim. Here are some examples.
By Sid Perkins -
AgricultureTeen develops water-saving pods for seeds
In California’s drought, every drop of water counts. A teen developed a capsule to keep sprouting seeds wet and reduce water use.
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EarthWater 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.