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Analyze a major global challenge to specify qualitative and quantitative criteria and constraints for solutions that account for societal needs and wants.
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Teen gets fired up about Christmas tree safety
A deadly Christmas tree fire inspired one teen to study how a tree’s moisture level affects how easily it will ignite and burn.
- Climate
Cool Jobs: Wet and wild weather
How’s the weather? Forecasts rely on scientists and engineers who collect and interpret data gathered on the ground, in the sky and way up in space.
- Genetics
Explainer: What is epigenetics?
Epigenetics is the study of molecular “switches” that turn genes on and off. Tweak those switches and there could be big health consequences.
- Animals
End of Latin America’s Zika epidemic is in sight
A computer simulation suggests the Zika epidemic in Latin America is peaking and may not strike hard again for up to three decades.
- Computing
Moral dilemma could limit appeal of driverless cars
Driverless cars will have to be programmed to decide who to save in emergencies — passengers or pedestrians. Many people aren’t yet sure they are ready to choose cars that make the most moral decision.
- Health & Medicine
Adult diseases may be linked to childhood weight
Danish scientists find that very overweight kids grow up with a heightened risk of colon cancer and stroke.
- Climate
Concerns about Earth’s fever
Burning fossil fuels is causing the planet to heat up, causing weather patterns to change, sea levels to rise and diseases to spread.
- Physics
Boom! Sounding out the enemy
Armistice Day marked the end of the Great War. But what arguably won the war was acoustics — the science of sound. It allowed Allied troops to home in on and rout the enemy.
- Chemistry
These bubbles treat wounds
New research shows bubble-powered drugs can travel upstream, against the flow of blood, to seal wounds shut.
- Animals
Chikungunya wings its way north — on mosquitoes
A mosquito-borne virus once found only in the tropics has adapted to survive in mosquitoes in cooler places, such as Europe and North America.
- Chemistry
The science of getting away with murder
A student took her love of crime shows to the next level. She did a science fair project to find out which cleaner works best at getting rid of bloody evidence.
- Materials Science
Cool Jobs: Big future for super small science
Scientists using nanotechnology grow super-small but very useful tubes with walls no more than a few carbon atoms thick. Find out why as we meet three scientists behind this huge new movement in nanoscience.
