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.
- Tech
Trees power this alarm system for remote forest fires
Wind moving through tree branches is all the energy needed to power devices that can detect a remote fire before it rages into an uncontrolled inferno.
- Psychology
You should guess answers to your homework before searching online
Over a span of 11 years, an increasing share of students performed more poorly on exams than on their homework. Online homework help may explain why.
- Chemistry
Study acid-base chemistry with at-home volcanoes
Baking soda volcanoes are a fun demonstration, and with a few tweaks they can be an experiment, too
- Brain
Confidence can make you miss important information
Being confident can feed a confirmation bias in us, new studies show. This bias can make your brain ignore other people’s ideas and any conflicting information.
- 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.
- Chemistry
New solution for carbon dioxide: Turn it into ‘green’ fuel
Chemists have created a new way to convert carbon dioxide into ethanol. It might one day help remove excess CO2 — a greenhouse gas — from the air.
- Chemistry
Build ice towers with bottled water and ice
Pour out liquid water into a solid ice tower. We outline the conditions you’ll need to turn this demonstration into a super-cool experiment.
- 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.
- Health & Medicine
Dust can infect animals with flu, raising coronavirus concerns
Dust particles kicked up from some virus-contaminated surface can become a source of new infections, rodent data show.
- Climate
Siberian heat wave that caused an oil spill made more likely by climate change
The six-month heat wave in Siberia during the first half of 2020 would not have happened without human-caused climate change, researchers find.
- Physics
Flying snakes wriggle their way through the air
Flying snakes go tens of meters (yards) without wings. They do it by undulating back and forth and up and down, a new study shows.
- Science & Society
For teens, big problems may lead to meaningful research
Several teens who competed at the Regeneron Science Talent Search applied their STEM know-how to solve problems they or their communities faced.
