HS-ETS1-1
Analyze a major global challenge to specify qualitative and quantitative criteria and constraints for solutions that account for societal needs and wants.
- Animals
Analyze This: Invasive species cost the world billions each year
A new study estimates that invasive species have cost the world more than $1 trillion since 1970. That’s almost certainly an underestimate.
- Computing
New device gets power from 5G signals grabbed from the air
A new way to harvest electricity relies on a tiny array of antennas and a lens. Together, they collect and focus 5G signals coming from any direction.
- Physics
Why big nuts always rise to the top
X-rays scans of a box of mixed nuts now reveal why large Brazil nuts rise to the top.
- Chemistry
Copper ‘foam’ could be used as filters for COVID-19 masks
The lightweight new material could serve as a washable and recyclable, eco-friendly alternative for many current mask filters.
- Brain
Patterns in brain activity can identify who will struggle to read
Certain patterns of brain activity predict whether teens are strong readers or will struggle. Those diagnostic patterns show up even when doing math.
- Health & Medicine
Bandages made from crab shells speed healing
The chitin in seafood wastes, insect “bones” and fungi is a chemist’s dream. Used in a new medical dressing, it beats regular gauze for wound healing.
- Animals
Science and Indigenous history team up to help spirit bears
When scientists and Indigenous people work together, their efforts can benefit bears and people.
- Brain
Scientists may have finally found how catnip repels insects
The plant deters mosquitoes and fruit flies by triggering a chemical receptor that, in some animals, senses pain and itch.
- Computing
5G promises new energy savings for digital tech
A new way to transmit wireless communications promises time and energy savings by using networks of smaller cells.
- Computing
Greening your digital life
The less electricity you use while playing video games or using your devices, the less impact you’ll have on climate change.
- Health & Medicine
Boredom may pose a public health threat in the social distancing era
Boredom contributes to pandemic fatigue, and it may account for why some people don’t follow social distancing rules.
- Science & Society
Machine learning includes deep learning and neural nets
By combining patterns found in mountains of data with information gleaned from mistakes, these computer programs expand their artificial intelligence.
