HS-ESS3-4
Evaluate or refine a technological solution that reduces impacts of human activities on natural systems.
- 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.
- Earth
Laundry tweaks can help clothes last longer and pollute less
Clothes washed in cooler water and for less time shed less dye and fewer fibers, a new study finds. That’s better for clothes — and the environment.
- Chemistry
Converting trash to valuable graphene in a flash
Flash heating of carbon-rich wastes creates graphene, which has many commercial uses.
- Animals
Drones 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.
- Chemistry
Help 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.
- Animals
Healthy 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.
- Climate
5 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.
- Environment
Don’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.
- Life
A 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.
- Animals
Ocean 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.
- 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.
- Earth
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.
