HS-ETS1-4
Use a computer simulation to model the impact of proposed solutions to a complex real-world problem with numerous criteria and constraints on interactions within and between systems relevant to the problem.
- Health & Medicine
New ultrasound treatment kills off cancer cells
Low-frequency ultrasound destroys cancer cells while leaving most healthy cells intact.
- Materials Science
Silk can be molded into strong medical implants
Freeze-dried and powdered silk has a long shelf life. It also is cheap to ship and can be molded into sturdy medical implants.
- Physics
There’s science to making great fried rice
Scientists report finding the physics that seems to explain how chefs can quickly fry rice over a hot flame without burning the food.
- Health & Medicine
What ‘community’ spread of coronavirus means
Health experts warn there are probably many undetected cases already in the United States, raising chances the disease will soon be widespread.
- Science & Society
Do school-shooter drills hurt students more than they help?
There’s no set standard for shooter drills held at most U.S. schools. Experts are beginning to ask whether certain drills might hurt students more than they help.
- Archaeology
3-D printing helps resurrect an ancient Egyptian mummy’s voice
A 3-D printed mold of a mummy’s vocal tract reveals what the mummy may sound like today.
- 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.
- Math
Color-changing fibers help unravel a knotty problem
Experiments with colorful fibers helped scientists discover a few simple rules on why the strength of various types of knots differs.
- Physics
Giving Notre Dame back her unique voice
A 2019 fire robbed Paris’ Notre Dame cathedral of more than her roof. She also lost her voice. Now scientists are using acoustics to return her unique soundscape.
- Materials Science
The future of crystal-based solar energy just got brighter
Researchers have upped the efficiency of layered solar cells that could be printed or painted onto surfaces. Now they are working to make them more rugged.
- 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.
- Chemistry
Chemistry’s ever-useful periodic table celebrates a big birthday
2019 is the International Year of the Periodic Table. But the traditional chart is just one of many shapes that chemists and other scientists have developed to organize the elements.
