MS-ESS3-3
Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.
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AnimalsNighttime lights can dim a firefly’s flash
Fireflies blink to attract mates. But when it’s too bright at night, the insects may stay away.
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EarthPlastic trash rides ocean currents to the Arctic
Ocean currents can carry plastic trash far from the cities that shed it. Some plastic debris has made it all of the way to the Arctic Ocean, new data show.
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ChemistryDid your burger come with a side of non-degrading pollutants?
Perfluorinated compounds pollute the environment and might harm human health. A new study shows that one place they often show up is the paper and cardboard used to package fast foods.
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EarthKeeping space missions from infecting Earth and other worlds
Scientists are always looking for ways to stop Earthly microbes from polluting other planets. The same goes for bringing bits of other planets back to Earth.
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EarthDeep-sea dump: Trash is collecting on the Arctic seafloor
Trash is building up on the bottom of the Arctic Ocean, including plastic bags, glass shards and fishing nets.
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EnvironmentCleaning up water that bees like to drink
Plant roots suck up pesticides used on soils, then release them into water that can seep from their leaves. This is a sweetened water that bees love to sip. A teen figured out how to remove most of the pesticide with bits of charcoal.
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SpaceStudent programs computer to predict path of space trash
People are already using space as a garbage dump, which could prove dangerous to future space travelers. A teen set out to track space junk using only her home computer.
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EcosystemsUnderwater meadows appear to fight ocean germs
The seagrasses that sway in coastal currents are more than aquatic groundcover. They can reduce harmful bacteria that might otherwise sicken neighboring animals, new data show.
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AnimalsFood-like smell on plastic may lure seabirds to eat it
When plastic smells like supper, seabirds and other animals can be fooled into thinking it is food.
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ClimatePredicting a wildfire with data from space
When the West gets dry it can catch fire. A teen decided to find out if satellite data might show where a fire’s fuel might reside.
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EnvironmentOcean of the future may make shrimp small and colorful
Carbon dioxide released into the air can end up in the ocean, making it more acidic. A teen showed that this acidification could shrink shrimp and make them more colorful.
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AnimalsSpidey sense: They can hear you!
Surprise! At least some spiders can hear us. Even without eardrums, jumping spiders can still detect airborne sounds from across the room.
By Susan Milius