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.
- Science & Society
New technology can get inside your head. Are you ready?
New technologies aim to listen to — and maybe even change — your brain activity. But just because scientists can do this, should they?
- Animals
Newfound technique allows some tree snakes to climb wide trees
When a tree is too wide to climb, brown tree snakes use a lasso-like trick to slowly ascend up to snacks.
- Environment
Unmasking the pandemic’s pollution problem
Discarding all the materials people use to protect themselves from COVID-19 has created a growing environmental problem.
- Physics
What did you say? Fabric masks can really muffle voices
Some types of face masks muffle speech more than others — something that teachers should take into account.
- Health & Medicine
What kids need to know about getting a COVID-19 shot
COVID-19 vaccines are already being administered to some adults. Here’s what that means for kids and teens.
- Environment
Analyze this: Microplastics are showing up in Mount Everest’s snow
Microplastics have made their way to the snow on Earth’s tallest peak. Most of the plastic likely comes from climbers’ equipment and clothes.
- Health & Medicine
Early details emerge about the new U.K. coronavirus variant
The variant may spread more easily from person to person. That could make continuing to wear masks all the more important, experts say.
- Chemistry
A soil-based ‘concrete’ could make buildings green, even on Mars
A new soil-based material offers an alternative to concrete for 3-D printing environmentally friendly buildings.
- Environment
Old clothes soon may be recycled, not trashed
One day, clothes may be recycled almost as much as plastics and glass are now. See how chemists are moving us in that direction.
- Space
Star of science and movies, the Arecibo radio telescope is dead
Broken cables led to catastrophic damage of its history-making dish. The U.S. National Science Foundation will now dismantle what remains.
- Space
Why Arecibo’s loss is such a big deal for astronomy
Damage to the radio telescope in Puerto Rico has robbed scientists of a special tool for studying everything from asteroids to galaxies.
- Animals
Around the world, birds are in crisis
Human activities around the world are threatening bird species. Numbers of even some of the most common species are starting to fall.
