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.
- 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.
- Physics
Scientists Say: Piezoelectric
Piezoelectric materials produce an electric voltage when they are bent or squished. This can let us harvest electricity from movement.
- Physics
Physicists have clocked the shortest time span ever
The experiment revealed how long it takes light to cross a hydrogen molecule: just a couple hundred zeptoseconds.
- 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.
- Tech
Bye-bye batteries? Power a phone with fabric or a beacon with sound
New piezoelectric systems produce electricity in unusual ways, such as when a certain nylon bends or underwater ceramics vibrate.
- Tech
New device tells smiles from frowns — even through a mask
Most facial-recognition software has to see the whole face to work. The new type can reconstruct an entire expression from just viewing your cheeks.
- Health & Medicine
A glowing new way to measure antibodies
Researchers invent a way to detect and measure antibodies with glowing proteins. Antibodies can mark exposure to various diseases.
- 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
Puberty may reboot the brain and behaviors
Facing adversity early in life can hurt how children learn to deal with stress. Puberty can sometimes offer a chance to reset how the body responds to stress, returning it to normal.
- Tech
A robot referee can really keep its ‘eye’ on the ball
Have you ever yelled at a referee for making a bad call? Technology has begun taking over some calls in an attempt to make sports fairer.
