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.
- 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.
- Physics
Shape-shifting cuts give shoes a better grip
With pop-out structures inspired by kirigami and animals, a shoe sole goes from flat to spiky to boost friction on slippery surfaces such as ice.
- Health & Medicine
Ah-choo! Healthy sneezes, coughs sound just like sick ones to us
Think you can tell a sick cough from a healthy one? Think again. New research finds the human ear isn’t sensitive enough to tell the difference.
- Physics
A contrast between shadows and light can now generate electricity
A new device exploits the contrast between bright spots and shade to produce a current that can power small electronics.
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Deadly heat: Expected by century’s end, it’s here already
Instances of hot and humid conditions that threaten human lives are on the rise.
- Science & Society
Coronavirus lockdowns may have avoided 531 million infections
Studies find big benefits from global coronavirus lockdowns. More than a half a billion of the potentially deadly infections appear to have been avoided.
