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.

  1. Chemistry

    Turning jeans blue with sunlight might help the environment

    When dipped in indican and exposed to sunlight, yarn turns a deep blue. This process is more eco-friendly than the current denim dyeing method.

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  2. Artificial Intelligence

    AI learned how to influence humans by watching a video game

    New research used the game Overcooked to show how AI can learn to collaborate with — or manipulate — us.

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  3. Plants

    This urban gardener is mimicking nature to create healthier plants

    Urban garden specialist Kwesi Joseph is experimenting with rock dust and plants. He also helps New York City community and school gardens with gardening problems.

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  4. Health & Medicine

    Health problems persist in Flint 10 years after water poisoning

    Flint, Mich., residents still show health impacts long after a switch in their drinking-water source exposed them to toxic lead and other pollutants.

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  5. Health & Medicine

    Family, friends and community inspired these high school scientists

    When looking for research ideas, listen to the people around you. What problems are they facing? What could you do to help?

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  6. Environment

    Bottled water hosts many thousands of nano-sized plastic bits

    The finding emerges from tests of a new tool that identified smaller-than-ever tiny plastic bits in three brands of bottled water.

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  7. Physics

    A new tool shows tiny changes in the ’24-hour’ length of a day

    An underground instrument known as ‘G’ uses laser beams to measure Earth’s rotation — a gauge of day length — with extreme precision.

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  8. Materials Science

    This house is partly made of recycled diapers

    After being washed, dried, sanitized and shredded, used diapers were mixed with other materials to make a strong concrete.

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  9. Climate

    For greener toilets and air conditioning, consider saltwater

    Using saltwater would allow coastal cities to save their freshwater for drinking and to reduce their carbon footprints. Some could save money, too.

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  10. Tech

    A device spots and counts honeybees hosting a dangerous parasite

    At Regeneron ISEF, three teens debuted an infrared system to detect honeybees carrying mites. It can show beekeepers when a colony needs to be treated.

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  11. Tech

    A new solar-powered gel purifies water in a flash

    The unusual, fruit-inspired structure of this material provides quick filtration that could satisfy people's daily water needs.

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  12. Animals

    Analyze This: Puppies naturally mimic human actions

    Unlike cats, whose ancestors hunted alone, dogs evolved from a species that hunted in packs. Being social might explain why pups copy humans.

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