Environment
Legos could last a disturbingly long time in the ocean
By looking at toys washed up on beaches, scientists have estimated how long it takes hard plastics to break down in the oceans. And it’s a long time.
HS-ESS3-4
Evaluate or refine a technological solution that reduces impacts of human activities on natural systems.
More Stories in HS-ESS3-4
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AnimalsDrones might one day capture a dolphin’s breath in midair
High-speed footage of dolphin spray reveals that droplets blast upward at speeds close to 100 kilometers per hour.
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EarthHelp for a world drowning in microplastics
Microplastic pollution in our oceans and lakes is a problem. Scientists are testing solutions — from more biodegradable recipes to nanotechnology.
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OceansHealthy coral reef sounds attract fish searching for a home
Playing the sounds of a healthy reef can help attract fish to dying corals, helping rebuild their community.
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Climate5 things to know about the climate-saving benefits of tree planting
A recent analysis of the benefits of massive efforts to plant more trees triggered a firestorm of controversy.
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EnvironmentDon’t toss that vape!
Plenty of people talk about potential risks of vaping. But this teen habit also saddles schools with lots of trash — some of it quite toxic.
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LifeA new spin on lab-grown meat
A technique inspired by how cotton candy is spun could help produce lab-grown meat at a lower cost and on a bigger scale.
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OceansOcean heat waves are on the rise — and killing coral
Ocean heat waves are becoming hotter and more frequent. And one can be blamed for the 2016 coral deaths on the Great Barrier Reef.