MS-PS4-2
Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.
- 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.
- Space
Our feverish universe is getting hotter every day
For the first time, astronomers have taken the temperature of the cosmos at different times in its history. Galaxy clusters are cranking up the heat.
- Tech
Flexible devices may help clothes solar power your screens
A fluorescent polymer duo boosts the efficiency of solar cells. One day this material may coat your jacket, hat or backpack to provide power on the go.
- Planets
Let’s learn about Mars
Traveling to Mars offers many challenges, including life without gravity, cosmic rays and communication delays.
- Health & Medicine
When physicians and veterinarians team up, all species benefit
When doctors for people and those for animals share their expertise, they can discover new ways to take better medical care of all species.
- Tech
‘Frozen smoke’ could protect electronics from annoying static
A fluffy material made from cellulose nanofibers and silver nanowires can protect electronic devices by blocking more than 99.99 percent of disrupting interference, a new study reveals.
- Climate
Let’s learn about solar power
Solar power is a way to harness energy from the sun, and lessen our reliance on fossil fuels.
- Space
Surviving Mars missions will take planning and lots of innovation
Astronauts that go to Mars will need protection from microgravity and radiation, plus mini-medical devices to diagnose problems and manage emergencies.
- Climate
Student scientists work to help all of us survive a warmer world
From glaciers in the refrigerator to a rover in the field, here’s how young scientists are looking to help us adapt to climate change.
- Humans
Changing climates can take cooling tips from warm regions
When summer heat waves hit northern cities, people might look to keep cool using tropical building strategies — and forgotten architectural wisdom.
- Archaeology
Stonehenge enhanced voices and music within the stone ring
Scientists built a 'Stonehenge Lego' model in a sound chamber to study how sound would have behaved in the ancient stone circle.
- Brain
You don’t see as much color as you think
It might seem like we live in a world full of color. But when scientists flip it into black and white, most people never notice the switch.
