MS-LS2-4
Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.
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Materials Science
Light could make some hospital surfaces deadly to germs
A new surfacing material can disinfect itself. Room lighting turns on this germ-killing property, which could make the material attractive to hospitals.
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Health & Medicine
Analyze This: Flu vaccine’s protection varies
Getting a flu shot every year is an important way to protect yourself and those around you — even if the vaccine isn’t 100 percent effective.
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Plants
Explainer: 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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Physics
Disabilities 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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Genetics
Explainer: How CRISPR works
Scientists are using a tool called CRISPR to edit DNA in all types of cells.
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Animals
Bee hotels are open for business
Bee hotels are creating a buzz in conservation and research by offering nesting places for wild bees.
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Health & Medicine
Hunting the mysterious source of a global illness
Doctors and scientists around the world are scouring the environment for the elusive cause of Kawasaki disease, a harmful childhood illness.
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Animals
Popular pesticide may harm bee flight
In a lab experiment, honeybees flew sluggishly after eating pesticide-tainted food.
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Microbes
Plant extract mutes germs to fight infections
A plant extract prevents the aggressive behavior seen in some germs. Using it could fight the development of most bladder infections, a teen’s research suggests.
By Sid Perkins -
Environment
Tiny air pollutants inflame airways and harm heart
New studies show how tiny bits of air pollution, called particulate matter, can lead to health problems ranging from chronic runny noses to heart disease.
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Agriculture
Sheep poop may spread poisonous weed
Fireweed is a poisonous plant in Australia. Sheep can eat it without hurting themselves. But a teen found those sheep may be spreading more weeds.
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Tech
Cool Jobs: Doing real science in virtual worlds
Virtual reality isn’t just for gamers. Scientists are using VR technology to tackle real-world problems.