MS-ETS1-4
Develop a model to generate data for iterative testing and modification of a proposed object, tool, or process such that an optimal design can be achieved.
- Physics
Getting cozy with a science experiment
Items you use in your home can inspire a scientific experiment.
- Animals
Analyze This: Cows burp less methane after early-life treatment
Calves that receive the 14-week treatment belch less of the greenhouse gas, possibly due to shifts in their gut microbes.
- Environment
COVID-19 cut pollution in 2020, warming the atmosphere
Pandemic-related lockdowns briefly warmed the planet. The reason: The cleaner air carried fewer planet-cooling aerosols.
- Tech
Training AI to be really smart poses risks to climate
As artificial intelligence models grow larger and consume more energy, experts have begun to worry about their impact on Earth’s climate.
- 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.
- Earth
Fin whales could help scientists map what lies below the seafloor
Fin-whale calls are loud enough to penetrate into Earth’s crust, offering scientists a new way to study the properties of the ocean floor.
- 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
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.
