Environment
Pond scum can release a paralyzing pollutant into the air
New study finds blooms of blue-green algae can seed the air with a poisonous pollutant.
MS-ESS3-3
Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.
More Stories in MS-ESS3-3
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AgricultureNew technologies might help keep drought-prone farms green
After learning how much damage drought can do to crops, two teens designed ways to detect a thirsty plant and make sure it gets enough water.
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TechNo animal died to make this steak
The ribeye steak is the first of its kind, and the latest in a growing list of meats printed with a 3-D bioprinter instead of being harvested from an animal.
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TechNew robots can clean virus-laden surfaces so people won’t have to
Smart and nimble cleaning robots will soon help disinfect spaces. They twist and bend to hit hard-to-reach spaces with UV light or cleansing sprays.
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EarthHere’s how lightning may help clean the air
Airplane observations show that storm clouds can generate huge quantities of air-cleansing chemicals known as oxidants.
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EcosystemsAnalyze This: Invasive species cost the world billions each year
A new study estimates that invasive species have cost the world more than $1 trillion since 1970. That’s almost certainly an underestimate.
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ChemistryNew recycling technologies could keep more plastic out of landfills
Recycling plastics is really hard — especially into useful materials. But new chemical tricks could make recycling easier.
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EnvironmentThe world wastes roughly a sixth of the food produced each year
A new United Nations report shows where wastes can be reduced, which would decrease hunger and emissions of climate-warming greenhouse gases.
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ClimateChanging climate now threatens northern lakes year round
Lakes in northern climes are getting warmer, and that’s not good for people, plants or animals.
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Tech5G promises new energy savings for digital tech
A new way to transmit wireless communications promises time and energy savings by using networks of smaller cells.