Health & Medicine
New study links early smartphone ownership to health risks
The earlier kids get smartphones, the more likely they’ll get too little sleep, gain weight — and possibly develop depression, a new study suggests.
HS-ETS1-1
Analyze a major global challenge to specify qualitative and quantitative criteria and constraints for solutions that account for societal needs and wants.
More Stories in HS-ETS1-1
- Brain
Scientists Say: Hallucination
Humans are not the only ones who can hallucinate. When a chatbot confidently generates a plausible but incorrect response, this error is called a hallucination.
- Science & Society
This game designer shares neurodivergent experiences through gaming
Inspired by her own experiences, Susannah Emery designs games that raise awareness about neurodivergence and social issues.
-
- Physics
These parachutes unfurl thanks to Japanese paper-cutting techniques
Parachutes inspired by Japanese kirigami are full of holes. When dropped, they open automatically and fall more predictably than standard parachutes.
- Animals
Liquid from African tulip trees may protect honeybees from pests
Liquid from the African tulip tree may keep ant invaders out of hives without harming honeybees.
- Chemistry
Let’s learn about surprising uses for human waste
Around the world, scientists are investigating ways to turn poop and pee into fertilizer, fuel and construction materials.
- Animals
Ripple bugs’ frilly feet inspired a water-striding robot
The insects’ nimble movements on the surface of water inspired a robot with automatically unfurling fans on its feet.
- Earth
Cities across the world are sinking. Here’s how they might rebound
Affected coastal cities tend to flood more often — a growing threat in this era of continuing sea level rise.
- Tech
Squirty gels bring food-like flavors to virtual reality
A new device recreates complex flavors including lemonade, coffee and fish soup by delivering a mix of chemicals.
