HS-ETS1-3
Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.
- Chemistry
A disinfectant made from sawdust knocks out deadly microbes
It’s made by pressure-cooking sawdust and water, is cheap and easy to make — and could lead to greener cleaning products than chemicals used today.
- Brain
Teen inventors say: There’s got to be a better way
Finalists in the 2022 Regeneron Science Talent Search are revamping prostheses, earthquake safety systems and air travel.
- Chemistry
New process can transform urban CO2 pollution into a resource
Researchers have developed a liquid metal that breaks down carbon dioxide in the air, converting it from a climate threat into a valuable raw material.
- Animals
These flying robots protect endangered wildlife
Flying drones make conservation work much easier. Around the world, drones and artificial intelligence help scientists study or protect endangered animals.
- Animals
A new drug mix helps frogs regrow amputated legs
The treatment helped frogs grow working limbs useful for swimming, standing and kicking. It’ll be a while before people can do that.
- Chemistry
Clothes dryers may be a major source of airborne microplastics
Scientists thought washing machines were a leading contributor of microplastics. Now it appears dryers may be an even bigger problem.
- Physics
Analyze This: Masks cut the distance that spit droplets fly
Both cloth masks and surgical masks reduced the distance spit traveled from a person talking or coughing by at least half, compared with no mask.
- Climate
Let’s learn about the science of the Winter Olympics
From scientific innovations to climate change and weather, there’s plenty of science to be found among the feats of amazing athleticism.
- Animals
DNA in air can help ID unseen animals nearby
Analyzing these genetic residues in air offers a new way to study animals. It could give scientists a chance to monitor rare or hard to find animals.
- Ecosystems
Recycling a climate-warming gas could make ‘greener’ farmed fish
Instead of warming the climate, methane gas can be collected to help farmers. Along the way, it may also save some fish.
- Tech
This crumb-sized camera uses artificial intelligence to get big results
Researchers have developed a camera the size of a coarse grain of salt that takes amazingly clear photos.
- Physics
Explainer: Telescopes see light — and sometimes ancient history
Different kinds of telescopes on Earth and in space help us to see all wavelengths of light. Some can even peer billions of years back in time.
