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.
- Climate
Volcanic rocks can quickly turn pollution into stone
A test program in Iceland injected carbon dioxide into lava rocks. More than 95 percent of the gas turned to stone within two years.
-
Ink leads way to terminating termites
Inspired by a classroom experiment, a teen has built a way to lure troublesome termites to their death — using the power of ink.
- Animals
Catching ‘Dory’ fish can poison entire coral reef ecosystems
More than half of saltwater-aquarium fish sold in the United States may have been caught in the wild using cyanide, new data show.
- Tech
Concrete science
Teen researchers are exploring ways to strengthen this building material, use it for safety purposes and use its discarded rubble.
- Brain
Teen drinking may damage ability to cope with stress
Teens are often tempted to drink alcohol. Drinking too much — and repeatedly — can hurt their ability to manage stress, a study in rats indicates.
- Climate
Zapping clouds with lasers could alter Earth’s climate
Scientists zapped ice crystals in a lab. They were exploring whether this approach might be used to break those crystals in clouds — potentially as a way to cool Earth’s fever.
- Planets
The ultimate getaway — visiting the Red Planet
At a recent summit, experts discussed the challenges of a human mission to Mars — and how to land a crew there within 20 years.
- Health & Medicine
Keeping samples cool without electricity
When vaccines and blood get too warm or cold, they can become useless. Two teens invented ways to keep their temperatures just right, no matter where they are.
- Health & Medicine
The cool science of hot peppers
Why are chili peppers spicy? Why does anyone crave food that burns? Uncovering this fiery veggie’s secrets could help fight pain and obesity.
- Computing
DNA can now store images, video and other types of data
Tiny test tubes might one day replace sprawling data-storage centers, thanks to a new way to encode and retrieve information on strands of synthetic DNA.
- Health & Medicine
Headed to a concert this summer? Pack earplugs
Wearing earplugs at concerts and other loud events may prevent hearing loss and permanent ear damage, a new study suggests.
- Health & Medicine
Cool jobs: Brainy ways to battle obesity
Scientists from different fields are tapping into connections between food and the brain to help people fight obesity and overcome the urge to overeat.
